Sally has been swimming ______ four hours.
#50710
A
for about
B
since
C
about
D
/
推荐题目
Mrs. King put a coat ________ the sleeping girl to keep her warm.
#47790
A
over
B
with
C
behind
D
beside
________ the help of the dog, people lost in snow found their way home.
#50545
A
In
B
Under
C
With
D
By
— How do you study English so well?— I study ________ reading English magazines.
#48080
A
at
B
on
C
in
D
by