问题

Lin Hai and Dave __ his good friends.
A:are
B:be
C:am
D:is
B:be
C:am
D:is
正确答案是:
同类题型
Becky is ________telling stories. So he wants to join the story telling club.
We have to work for ________ to finish the work.
The job is so ________ that I could ________ finish it on time.
What is your math teacher like, Nick?-She is very kind _________ she looks a little serious.
How was your weekend, Rose?–Awful! This was the first time I ________ alone at home, bored to death.