To make us healthier, the teachers often see us ______ on the playground. 
#49764
A
took exercise
B
take exercise
C
take exercising
D
to take exercise
推荐题目
.I use my computer_______ information every week.
#48617
A
to search
B
to finding
C
to search for
D
to look
The old radio requires____________, so you’d better have it ______soon.
#51255
A
to repair, repaired
B
repairing, repaired
C
repaired, repair
D
to repairing, repair