—It’s meaningful us to do something for people in need．

—It’s meaningful        us to do something for people in need．—It’s really nice         you to think so．

#47643

for; of

of ; for

for; for

of; of

推荐题目

He is sitting __________ the classroom.

#48172

at the front

in the front of

in front

in front of

 Lily often helps her sister ____her homework.

#51195

for

with

Lucy lived in Beijing from 2008____________ 2012.

#47788

 We can often see ice here in winter because the temperature usually stays__________ zero.

#46932

down

above

below

—Can you watch TV ________ school nights?—Yes, but I have to be _______ bed ________ ten o’clock.

#49283

in; on; by

on; on; in

on, in; by

in; in; at

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