______I used to go mountain—climbing every summer .
#28699
A
at a time
B
at one time
C
At times
D
At the same time
推荐题目
 Bob: How long have you lived here?    Sue: _________.
#27722
A
Since the beginning of the year.
B
In 1990
C
Not long ago
D
Only until the end of the year
While in London, we paid a visit to the hospital founded____ Florence Nightingale.
#28251
A
in honor of
B
in line with
C
in favor of
D
in place of
I have offered to work for the store owner _____ one night’s stay.
#29005
A
in place of
B
in exchange for
C
in relation to
D
in preference to