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
Lily is so happy _____ delicious soup for her parents.
#48422
A
to make
B
make
C
making
D
makes
-Would you mind ____ here? -Sorry, I won’t. 
#49309
A
smoke
B
smoking
C
smokes
D
not smoking
There is a bird        in the sky.
#50711
A
fly
B
flying
C
flies
D
to fly
I like ________ the news.
#49180
A
watch
B
look
C
watching
D
to look