I find it very hard ___

 I find it very hard ____ the question.

#50008

to answer

answers

answering

answered

推荐题目

Thanks for ____me to the party.

#49189

ask

to ask

asking

Asked

I think _________ history about China is very important.

#49097

study

studying

studied

studies

Every student in Miss Chen’s takes turns __________ the classroom every day.

#51336

clean

cleans

cleaning

for

The new exchange students don’t seem        who        for help.

#49050

know, to turn

know, to turn to

to know, to turn to

to know, to turn

I think the lives of children in poor areas _____ greatly by this project.

#50608

improve

improved

can improve

can be improved

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