A great number of students said they were forced to practice the piano .
A. to question B. to be questioned C. questioned D. question
—When shall we restart our business ?
—Not until we our plan .
A. will finish B. are finishing C. are to finish D. have finished
When changing lanes , a driver should use his turning signal to let other drivers know .
A. he is entering what lane B. which lane he is entering
C. he is entering which lane D. which lane is he entering
you may have , you should gather your courage to face the challenge .
A. However a serious problem B. Whatever a serious problem
C. However serious a problem D. No matter how a serious problem
We last night , but we went to the concert instead .
A. must have studied B. should have studied
C. could have studied D. studied
I’m sure that your letter will get attention . They know you’re waiting for the reply .
A. continued B. immediate C. careful D. general
