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Tom realized that he ________ his physics book at home when he reached school．
#41955
A
left
B
had left
C
was leaving
D
leaves
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No one knew what        because of the thick fog.
#39880
A
he had happened
B
had happened to him
C
had he happened
D
has happened to him
No one ________ paper, pens and pencils
#39561
A
use
B
uses
C
to use
D
will use
The festival __________ for almost a month.
#39674
A
have been on
B
has been on
C
began
D
begun
—How long have you lived here?—Since I _________.
#41716
A
married
B
got married
C
married to my wife
D
married with my wife
It’s ten o’clock. Betty _______ piano.
#42454
A
is playing
B
plays
C
is playing the
D
plays the