—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job? —______ my students have a try?
#62920
A
May
B
Must
C
Will
D
Shall
推荐题目
---Guess what! I have got the highest score in the final exam. ---- Great! You ______ worked very hard and put a lot of energy into it.
#63605
A
must
B
must have
C
should
D
should have
—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now.
#76568
A
must; can’t
B
must; mustn’t
C
may; shouldn’t
D
may; mustn’t
You remind him to keep things neat and tidy, because he is well organized.
#62855
A
can’t
B
needn’t
C
mustn’t
D
shan’t
Jack his pet dog every day. The dog must feel sad when he’s alone all day long.
#75030
A
should walking
B
should to walk
C
had better walk
D
had better to walk
---- Did you pass the driving test? ---- No. I ______ it, but I had little time practicing.
#63236
A
could have passed
B
must have passed
C
can’t have passed
D
shouldn’t have passed