---How did you work out the difficult chemistry problem?--- I worked it out by _______

---How did you work out the difficult chemistry problem?--- I worked it out by ________.

#49667

working with a group

think very hard

ask the teacher for help

doing oneself

推荐题目

----Woul d you mind       the windwow? ----       It’s cold outside.

#50264

me open ,Of course not

mine opening , Certainly not

my opening , You’d better not

mine open , Not at all

Most students hope _______well in their study.

#50687

doing

to do

does

It’s good ______ English every day.

#48442

to read

read

reading

for reading

Jane likes singing.We often hear her ______ after class.

#49746

sing

to sing

sings

singing

 —How dangerous!— Yes. I think the policeman should stop the children     soccer in the street.

#49790

play

playing

to play

plays

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