问题

Bob took a photo of his girlfriend while she _________ at the party.
A:dances
B:was dancing
C:has danced
D:is dancing;
B:was dancing
C:has danced
D:is dancing;
正确答案是:
同类题型
$1,500, butthat’s my last offer— OK It’s a ____
regret _____you John has been fired .—I can hardly believe my ears .He is such a fine worker .
Mr.Jones was so late that his dinner got cold; his wife ______ warm it up.
Did you have a party last nightYes. Not only we but also my teacher Mr Wu. ________fun at the party.
Have you finished the book? — No, I’ve read up to _____ the children discover the secret cave. [ ]