All the clothes donated by the citizens need cleaning thoroughly before being sent to the earth-stricken area, ______ ?
A. needn’t they B. don’t they C. didn’t they D. shouldn’t they
My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.
A. studied B. has studied C. had studied D. has been studying
What he said at the meeting made Mary rather embarrassed, so he felt that he ______ differently.
A. might express B. should express
C. could have expressed D. must have expressed
I have done much of the work. Could you please finish ______ in two days?
A. the rest B. the other C. another D. the others
The higher the standard of living is ______.
A. the greater the amount of paper will be used
B. the greater the amount of paper used will be
C. the greater amount of paper will use
D. the greater amount of paper used
Americans eat ______ vegetables per person today as they did in 1910.
A. more than twice B. as twice as many
C. twice as many as D. more than twice as many
