---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

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When did Jenny finish ______ the letter yesterday?

#49720

to write

wrote

writes

writing

I never forget the days when I  enjoyed ______ a good time in Beijing.

#49949

have

to have

had

having

—Don’t forget _________my English book to school tomorrow. —OK, I won’t.

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getting

to get

bringing

to bring

Good weather, isn't it? Let's___a walk through the park.

#49572

take

takes

taking

to take

I have a wonderful friend _______Kitty.

#49035

name

names

naming

named

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