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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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----How was your trip to Beijing? ----We really enjoyed ________.
#48759
A
us
B
our
C
ours
D
ourselves
The robot needs _______ once a month. And we will check it for you for free.
#48844
A
to check
B
checked
C
checking
D
to checking
Lily practises _______ the piano very hard.
#49238
A
play
B
plays
C
playing
D
played
It takes me half an hour ________ my homework.
#49713
A
finishing
B
finishes
C
to finish
D
finish
 ____ more information about the school, you can go to www. sjz42.com.
#49823
A
Find
B
Finding
C
To find
D
Found