When I got out of the room, I found someone _____________ the tree. 
#50126
A
climbing
B
to climb
C
climb
D
climbs
推荐题目
On Sunday I have to go to the farm        my parents.
#49751
A
to help
B
help
C
helping
D
helped
--What did the teacher say just now?--- The teacher told us _______ our hands before ______ the questions.
#49442
A
to rise; answered
B
rise; answering
C
to raise; answering
D
raise; answered
Mr Li taught me     in the river when I was a child.
#49893
A
to swim
B
swam
C
swimming
D
swims
The doctor did what he could_________ the dying man.
#50563
A
save
B
to save
C
saved
D
saving