If steel is heavier than water， why are ships able to on the sea？（ ）
A．floatB．flyC．fallD．flow
These machines cut grass．（ ）
A．are used to．B．use to
C．are used forD．use for
Hmm， something ________ so good． Is it a cake？ Can I try some？
Hand﹣made cookies． Still warm． Here you go!（ ）
A．feelsB．looksC．smellsD．tastes
Hello! This is Kevin speaking． May I speak to Mr Cao？
Please _______． I'll put you through．（ ）
A．come onB．move onC．hold onD．try on
﹣The cat is missing， will you please it？
﹣No problem．（ ）
| A． |
look for |
B． |
look up |
C． |
look at |
As students，we ought to the act of cheating in the exams．（ ）
A．provideB．preferC．prevent
China's efforts to stop the spread of COVID﹣19 will the world's ability to limit the harm in the near future．（ ）
A．imagineB．inventC．insistD．improve
﹣Jack __ to help at the underground station on wenkends．
﹣Cool! Let's join him next Saturday．（ ）
A．offersB．refusesC．forgets
﹣﹣Could you please teach me how to______"red envelope"（ 红包） on WeChat？
﹣﹣Sure．Let me show you．（ ）
| A． |
give away |
B． |
give up |
C． |
give back |
D． |
give out |
﹣﹣﹣Tom，let's hang out after school．
﹣﹣﹣Sorry．I have_____Frank to work on the biology report with him．（ ）
A．advisedB．expectedC．promised
You've the computer for ten years and it doesn't work well.Why don't you buy a new one？（ ）
A．boughtB．hadC．haveD．borrowed
﹣Henry， did you drive back to your hometown during Spring Festival？
﹣No. I was _________to take the train because the traffic is often the busiest at that time.
| A． |
praised |
B． |
taught |
C． |
warned |
D． |
advised |
﹣The school net will be shut down for safety reasons．
﹣That doesn't ____ me at all．I'm not a net﹣worm，anyway．（ ）
A．fitB．satisfyC．worry
When he school，he saw his classmates playing volleyball．（ ）
A．arrivedB．got toC．reach
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