Because so many visitors are visiting our school today, some teachers have to _______ guides.
#73766
A
serve as
B
regard as
C
treat as
D
use as
推荐题目
We can't go out,for it is getting dark and        ,it is raining.
#83318
A
apart from
B
in addition
C
in control
D
believe it or not
They_____the train until it disappeared in the distance.
#78551
A
saw
B
watched
C
noticed
D
observed
 Good afternoon. I’m ______to inquire about the four-bedroom house you ______ in the newspaper.
#81447
A
called; advertised
B
called; advertising
C
calling; advertising
D
calling; advertised