If they ______, our plan will fall flat.
a. are co-operating  b. had not co-operated  c. won’t co-operate  d. didn’t co-operate
練習冊系列答案
相關習題

科目：高中英語 來源：不詳 題型：單選題


The dish _____ nice, but the milk _____ sour.
A．is smelt, is smeltB．is smelt, smells
C．smells, is smeltD．smells, smells

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Donald ___ sixteen tomorrow.
A． is beingB．going to beC．shall beD．will be

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


---Let’s see if the basketball game has started yet.
---Started? It must be clear who   by now.
A．is winningB．winsC．has wonD．would win

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

.If the launch in 2005 is successful, China will be the third country ________its astronauts into space.
A．will send　B．having sentC．sending　D．to send

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


A new museum _______ in this area next year.
A, built       B, builds         C, will be built       D, has been built

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


E-mail, as well as telephones,  ________ an important part in daily communication.
A．is playingB．have played
C．a(chǎn)re playingD．play

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


. My plane _________ at 8:30 am, so I _________ home at 8:00 tomorrow morning.
 
A．leaves; leave
B．leaves; am leaving
C．is leaving; am leaving
D．is leaving; leave

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


If you try to learn too many things at a time at the beginning, you may _______.
A．have confused B．have to be confused
C．get confused D．get confusing

查看答案和解析>>

同步練習冊答案