Start studying early and don’t study too much  .
#80937
A
at one time
B
at a time
C
at times
D
from time to time
推荐题目
When he retells a story , sometimes  he ___________ the key points.
#69269
A
takes out
B
looks out
C
leaves out
D
gives out
It’s said that the team __________ twelve top European players.
#67125
A
consists of
B
is made of
C
are made up of
D
is made from