Look out! The ceiling _____ l down. 
#103658
A
is to fall
B
will fall
C
is going to fall
D
is falling
推荐题目
Jimmy didn’t notice his head teacher entering his bed room. He _____a phone call.
#104055
A
answered
B
has answered
C
was answering
D
is answering
--- Who’s the man over there? --- It’s Jack. --- Oh? ______ in Italy.
#104091
A
I think he’s
B
I’ve thought he’s been
C
I thought he was
D
I’d thought he’d been
If George had followed his father’s advice, he ________ a lawyer now. 
#100621
A
is
B
would be
C
has been
D
would have been