—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

—Were you late ________  the meeting? —No, I arrived there ten minutes________ the meeting started.

#49450

for ; before

at ; before

for ; till

at ; after

The man ________ black trousers ________ cool.

#46717

in; look

on; looks

with; looks

in; looks

Let’s ______ each other．

#48848

to make friends

make friends to

make friends with

to make friends with

Ten years ____,he studied at school, Now he is a successful doctor.

#48440

later

ago

behind

after

He came back       night ,and he felt         .

#48134

at ; happily.

at; happy .

in; happy .

in; happily.

共2646题