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
推荐题目
The policeman did his best to make the baby_______.
#49008
A
to stop crying
B
stop crying
C
to stop to cry
D
stop to cry
Although we’ve learned English for years, we have trouble _____ the foreigners.
#50181
A
understand
B
to understand
C
understanding
D
of understanding