–It’s dangerous here. We must not let people fall down. --You’re right. Come on!
#60385
A
stop... by falling
B
keep...falling
C
protect...falling
D
prevent...from falling
推荐题目
They hoped ________ the secret forever.
#52801
A
keep
B
kept
C
keeping
D
to keep
_______ you have ________ friends here?
#54950
A
Do, some
B
Are, any
C
Are , some
D
Do, any