It's necessary for students ______with their teachers．（ ）
A．communicateB．communicating
C．to communicate
I prefer________ at home rather than _________ to the cinema．（ ）
| A． |
to stay，to go |
B． |
stay，go |
| C． |
to stay，go |
D． |
stay，to go |
Why are you so excited？
Nancy invited me ___________ on a trip to Dongjiang Lake just now．（ ）
A．to goB．goC．going
The doctors and nurses managed_____the lives of patients， though they didn't have enough medicine．（ ）
A．saveB．savingC．to saveD．to saving
What does the sign 
mean？
It tells us____________in public．（ ）
A．didn't smokeB．don't smoke
C．not to smokeD．not smoke
It is necessary for us students _____ the listening ability．（ ）
| A． |
to improve |
B． |
improving |
C． |
improve |
D． |
improves |
We are glad_____that traditional Chinese medicine can work wonders in preventing some diseases．（ ）
A．knowB．to knowC．knowing
Mount Xiaolei is not far away from here，but it will still take us a few hours ______ there by bike．（ ）
A．gettingB．to getC．gotD．get
Were you required___________ at home during the outbreak of COVID﹣19？
Yes． Luckily， the Internet made it possible for many of us________ from home．（ ）
A．to stay； to workB．staying； to work
C．to stay； workD．staying； work
Hi，Mr．Zhang，do you often come here to climb the mountain？
Yes，_____ exercise．You see，I'm healthier than before．（ ）
A．to getB．gettingC．getD．gets
We advise parents ______ their children at home alone in order to keep them away from danger．（ ）
| A． |
not to leave |
B． |
not leave |
C． |
not leaving |
Peter's mother gets up early breakfast for him every morning.（ ）
| A． |
to make |
B． |
making |
C． |
make |
D． |
makes |
A lot of old people are lonely． What can we do to help them？
I want ______ the old people's home to talk to them．（ ）
A．visitB．to visitC．visiting
Young people are encouraged to work hard ____their own dreams．（ ）
A．achieveB．achievesC．to achieveD．achieved
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