A、 can’t
B、 must
C、 needn’t
D、 should
答案:A
A、 can’t
B、 must
C、 needn’t
D、 should
答案:A
A. to be understood
B. to understand
C. for understanding
D. to have been understood
A. not having kept
B. being kept
C. not to have kept
D. having not kept
A. Being
B. To be
C. It is
D. It being
A. Asking
B. Asked
C. To be asked
D. When asking
A. cooked
B. to be cooked
C. is being cooked
D. being cooked
A. fix
B. fixing
C. fixed
D. to fix
A. inform
B. informing
C. informed
D. being informed
A. That
B. Who
C. The one who
D. The students who
A. is
B. are
C. have been
D. has been
A. did he finish his opening address
B. he did finish his opening address
C. had he finished his opening address
D. he had finished his opening address