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
address memory
an x-ray photograph
antijapanese
auxiliary bus-bar
average population
bit pulse crowding
black lead
blue beret
Budimci
Cellopack
condenser boiler
Coopworth
country borages
cugine
current constants
customary quick
cycasins
dam-bursts
danda
deaerating elements
decencies
decrowns
dichloride
digital vein
Dolichoglossus
double-silk-covered wire
envelopings
Escanaffles
ex-plain
external arterio-venous shunt
fishery agreement
flow limiter
flow microfluorometer
health-policy
hetaerolite (zinc-hausmannite)
hide and hair
hmming
hot-corn
hyperalgia
hyphantria cuneas
Ibirapitanga
in-city
intraendosomal
ivold
jordain
laevoglucosan
lambres
Lanjak, Bukit
laundry chute
Ligamentum tibiofibulare anterius
lobster pound
long - distance call
Mahuang Tand
masse shots
mathiass
May's test
mediate speed
meism
milieux
multiplying punch
narrow whip
narrower profit margin
ngozi
noninteractivity
NTHH
obstruction-free flow area
open sealed tender
orthodontic braces
page location
particle particle correlation
pathematic aphasia
phoner
Phytodiniaceae
proprietor's stake
pulse-type ionization chamber
pustulent
quartern loaf
quibling
r-el
rachipagus
repair production order
rising star
Ronas Hill
shipyard portal crane
sinecatechins
single-valve knapsack pump
sludge barge
stream anchor
suchards
syracosphaera anthos
t'were
telluronevskite
tent-caterpillar moths
transhipment shipping bill
triple valve branch pipe
virelais
visionaries
voluntary-controlled
wails
whaling gun
white water lily
wringing machine