He’ll come back ____ a week.   
#50146
A
from
B
at
C
after
D
in
推荐题目
      all the students in his class,Xiao Ming writes      .
#48681
A
Of;very carefully
B
In;the most carefully
C
Of;most carefully
D
In;much more carefully
It’s rather cold in most of South China ____ in spring.
#50185
A
on time
B
at a time
C
at times
D
all the time