问题

What’s the best time ________ a field trip—I think it’s spring.
A:took
B:takes
C:is taking
D:taking;
B:takes
C:is taking
D:taking;
正确答案是:
同类题型
It is _____third time that John has failed, but he still hopes to have_____ fourth try.
I’mgoingawayfortheweekend —Butyou_____you______outtodinnerwithme
Jane has made great progress in English this term.— ______, and______.
The new smart robot by Sony, with a camera “eye” on its head, can __________ colors and human faces.
Will you be ________ this afternoon, Tom? —-It depends. I’m afraid I’ll be called in by my manager.