Do you often help your father ___ the farm work during the summer vacation?
#29071
A
for
B
on
C
in
D
with
推荐题目
Some students often listen to music _____ classes to refresh themselves.
#28420
A
between
B
among
C
over
D
during
Some plants can take in carbon dioxide we breathe out and give ______ oxygen to us.
#26444
A
in case
B
in turn
C
in return
D
in addition
At the railway station，the mother waved goodbye to her daughter until the train was________.
#26495
A
out of sight
B
out of reach
C
out of order
D
out of place
I don’t like Tom’s way of behaviour, but ________ I admire his great knowledge.
#26977
A
in other words
B
on the other hand
C
for one thing
D
as a matter of fact