----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
Harry has been out of work for six months, so he has difficulty _____.
#65140
A
earning livings
B
earning his living
C
to earn livings
D
to earn his living
As we all know, the dove and the olive branch ______ peace.  
#68809
A
present
B
mark
C
replace
D
represent
If you ____ the bottle and cigarettes, you’ll be much healthier.
#71915
A
keep up
B
keep on
C
keep to
D
keep off