It is high time, I think, that you got down to ______ something in class.
#93317
A
do
B
did
C
doing
D
does
推荐题目
 ____on the Yellow River, the town lies____ south of China.
#89605
A
Locating; /
B
Situated; /
C
Situating; in
D
Located; in
______ with care, one tin will last for six weeks.
#94928
A
Use
B
Using
C
Used
D
To use