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–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
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推荐题目
The policeman told the boy          playing football in the street.
#58646
A
stopped
B
stopped
C
to stop
D
stopping
--- What does your aunt ______ ? --- She is a little thin.
#60304
A
look
B
like
C
look like
D
be like
Susan usually ________ her homework at 7:00 in the evening.
#63669
A
goes
B
does
C
do
D
has
________it was to see so many elephants ________ along the street!
#52755
A
How great fun; marching
B
What a great fun; to march
C
What great fun; marching
D
How great a fun; to march
What about going hiking this afternoon, Simon?  I prefer ____ to ____. It’s too hot outside.
#60582
A
going hiking; staying at home
B
to stay at home; hike
C
to hike; stay at home
D
staying at home; going hiking