Who saw it ______ at that time?
#56620
A
happen
B
happened
C
happens
D
to happen
推荐题目
---- Do you know Neil Armstrong? ---- Yes, he is the first man ___ on the moon..
#61792
A
walk
B
walks
C
to walk
D
walked
—Excuse me, does Mr. Chen live here?—He ______ be here, but he has moved to Nanjing.
#60508
A
used to
B
happened to
C
tried to
D
had to
---______there any seals in the zoo last year? ---No, there _____, But there ____some now.
#60615
A
Are , aren’t , are
B
Were, wasn’t, are
C
Were, weren’t, is
D
Were, weren’t , are