It is dangerous ____ you ______ a close look at the tiger in the zoo.
A. for , to have B. for you, take
C. of ,to have D. of , take
It is silly of you ________ others for their mistakes.
A. to forgive B. not to forgive
C. forgive to D. to not forgive
This problem worried her so much that she didn’t know ___________ with it..
A. what she can do B. what she could deal
C. how to do D. how to deal
It _______ ten years since my sister ______ an English teacher.
A. has been, is B. is, became
C. have been, was D. is , becomes
Could you tell us _____ you are getting on well with your classmates?
A. that B. if C. what D. how
----Look! Our Chinese teacher, Mr Wang, is playing badminton there.
----No, it ________ be Mr Wang,. He has gone to Shanghai for a meeting.
A. can’t B. mustn’t
C. shouldn’t D. may not