Group activities will be organized in and after class _____ children develop team spirit.
A. helping B. having helped
C. helped D. to help
We won’t start the work until all the preparations _____.
A. are being made B. will be made
C. have been made D. had been made
The most unforgettable moment for me was _____ I graduated from high school.
A. when B. where C. how D. why
–Long time no see! Where have you been?
--I went to Ningxia and ______ there for one year, teaching as a volunteer.
A. stayed B. stay C. had stayed D. am staying
I’ve ordered some pizza, so we _____ worry about cooking when we get home tired.
A. can’t B. may not C. needn’t D. dare not
You will never be successful _____ you are fully devoted to you work.
A. because B. unless C. if D. when
