Sometimes I doubt whether it is worth_______so_________.
#48751
A
to work;hard
B
to work;hardly
C
working;hard
D
working;hardly
推荐题目
Mr. White always expected his son _______________ an active part in the classes.
#48954
A
taking
B
take
C
takes
D
to take
In the old days, people lived in caves and they had to make a fire _________themselves warm.
#50642
A
to keep
B
keeping
C
keep
D
kept