My best friend is good___ swimming, but I do well ________running.
#50344
A
at; in
B
in ; at
C
at; at
D
in; in
推荐题目
 I usually do some reading ______ 6:00 pm _____ 8:00 pm.
#51135
A
at/ to   
B
at / at
C
between / to
D
from / to
What were you doing     the rainstorm?
#46150
A
at that time
B
in time
C
at the time of
D
when