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The thief was noticed _____the office building by the back door on the screen.
#51161
A
enter
B
enter into
C
to enter
D
to enter into
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-----Why did you buy a radio? -----__________English.
#48800
A
Learn
B
Learning
C
To learn
D
Be learning
We should spend as much time as we can ______ English.
#49936
A
read
B
to read
C
reading
D
reads
It is necessary for us________ good habits in our daily life.
#50502
A
keep
B
to keep
C
keeping
D
kept
He seems _______ nice.     
#50400
A
to be
B
is
C
that
D
was
 —How dangerous!— Yes. I think the policeman should stop the children     soccer in the street.
#49790
A
play
B
playing
C
to play
D
plays