时间:2019-01-11 作者:英语课 分类:英文语法词汇


英语课
Unit 1 1 时态、语态(四)


10. Until 2 then, his family _____ from him for six months.
A. didn't hear
B. hasn't been hearing
C. hasn't heard
D. hadn't heard


11. Before the first non-stop flight 4 made 5 in 1949, it _______ necessary 6 for all planes to land 7 for refueling.
A. would 8 be
B. has been
C. had 3 been
D. would have been


12. We _____ our breakfast when an old man came 9 to the door.
A. just have had
B. have just had
C. just had
D. had just had



答案:
10. D
译文:到那时为止,他家里有六个月没有得到他的消息了。
本句是过去完成时的用法。到过去某个时候(until then)之前,所发生的动作(hear from...),过去完成时常与表示一段时间的状语(for six month)连用。


11. C
译文:1949 年首次直飞以前,所有飞机都需着陆加油。
本句是过去完成时的用法。在过去某个时间之前一直存在的状态,表示过去的过去,所以用过去完成时。


12. D
译文:我们刚吃罢早饭,就有一位老人上门了。
本句是过去完成时的用法。在过去某个时间(come) 之前已经完成的动作(have breakfast) ,表示过去的过去,所以用过去完成时。



n.单位,单元,部件,元件,装置
  • This unit is very hard.这个单元很难。
  • This textbook has twenty units.这本课本有二十单元。
prep.直到...为止;conj.直到...时才...
  • He arrived home until midnight.他直到半夜才到家。
  • She didn't sleep until midnight.她直到半夜才睡。
vbl.have的过去式和过去分词;conj.有
  • I just had a good idea!我有个好主意!
  • The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。
n.飞行,飞机的航程,航班;逃跑
  • I want to change my flight.我想变更飞行班次。
  • I lost my flight ticket.我的飞机票丢了。
v.make的过去式和过去分词
  • They were not made in china.它们不是中国制造的。
  • The monkey made a long arm for the peach.猴子伸臂去摘桃子。
adj.必需的,必要的;n.(pl.)必需品
  • If necessary,give me a ring.如果需要,打个电话给我。
  • Sleep is necessary to health.睡眠对健康是必要的。
n.陆地,国土,土地;v.登陆,登岸,卸货
  • Farmers work on the land.农民在土地上干活。
  • How long is it before we land?我们还有多长时间降落?
aux.will的过去式;愿,要;常常;大概;将要,会
  • Why would you say that?为什么你会这么说?
  • Would you please help me?你能帮帮我吗?
v.动词come的过去式
  • I was surprised why he came here so early.他为什么那么早到这里,我很惊奇。
  • The doctor came in time to save his life.医生及时来抢救他的生命。
学英语单词
active migration
aerolitics
alcohol solution
Anajas
backup mode
beenhakkers
beeoch
Bierbaum hardness test
bit alignment
bone of girdle of upper extremities
branch of a river
brochs
calculation of ship loading parameter
cetocytic
chemical magnetization
CIEU
cold curing
constancy of purpose
context-dependency
day and night line
day light signalling mirror
deh controller
diluen
dispulverate
distree
duodenotomies
eccentric bit
ELPC
endowed chair
epibolic stress
fire-light
flying spot storage
geocentric gravitational constant
gigantic form
globe pepper
handy microtome
heat detection
hollow-core door
homesickly
hydorxyl radical
hypochlorite sweetening
I. J.
independent day number
interactive console
interrogatee
Java coffee
kablan
kobenhaven
Kǔmsǒng
lantern
light-emitting diode indicator
love triangle
machinery surveyed
Maroon Town
Maziba
mechanical aeration
methane-seleninic acid
muliebria
multiformness
negative-transconductance oscillator
Noojee
ornamentalisms
paleoethnobotanists
parameter plane method
pearlnecklace
permanent glow lamp
petroleum polymer
polyurethane rubber latex
praxeologies
Priasowit
production foreman
pulmonary abscess
raider firm
Romanizers
rooflessness
router information unit
salafi movements
sante
sciapus aurichalceus
scotcil
seasonal traffic pattern
section gear
shines at
single phrase
spiders
splenotomies
station to
survey of gender equality in employment and management
synchrostep
teradyne
tetrakaidekahedra
thinwalled tube
thrower
told from
trophic cascades
up someone's alley
ureterocoele
ventrolateral muscle
versicoloratus
Viqueque
wult
Wymington