问题
. Doctor Wang _____ at seven o’clock for the conference, but she didn’t turn up.
A:should have arrived
B:should arrive
C:should be arrived
D:should be arriving
B:should arrive
C:should be arrived
D:should be arriving
正确答案是：
同类题型
Only when we failed ________ the importance of study.
ifficult the task may be, wewill try our best to complete it in time
The determined mother has devoted all she has to ________ her son out of trouble.
Are these your English books— Yes, ________.
How is your collection going—I need one more stamp before my collection．