----Did you _________ your friend when you were in Beijing?---No. But I _________ my aunt’s during my stay there.
#77840
A
call on; called on
B
call at; called at
C
call on; called at
D
call at; called on
推荐题目
When I entered, I found my father ______ on the sofa and ______ in a magazine.
#77837
A
sitting; absorbed
B
sit; absorb
C
sitting; absorbing
D
sat; absorbed
If we_________ sunlight_________ a dry leaf with a piece of glass, it may start burning.
#70485
A
work; out
B
carry; out
C
focus; on
D
concentrate; on
How much does that      ?
#69395
A
add
B
add up
C
add to
D
add up to