---Don't skate on the lake! ---Why not? Isn't it thick enough___________?
#48601
A
to skate
B
skating on
C
skating
D
to skate on
推荐题目
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
——How is your grandma?——She’s fine. She used to_____TV at home after supper. But now she is used to_____out for a walk.
#49289
A
watch;go
B
watching;go
C
watching;going
D
watch;going
Something is wrong with my computer. I’ll have it______.
#48519
A
repair
B
repairing
C
repaired
D
to repair