---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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--Mark, would you like _________tennis with me after school? --Yes, I’d love to.

#50683

play

playing

played

to play

 Simon is very confident. He isn’t afraid of ______ in the whole school.

#49170

make a speech

making a speech

makes a speech

made a speech

_My parents always tell me_______others late at night._They are right. It’s not polite.

#51164

to call

call

not call

not to call

Uncle Wang made his kite_____higher in the sky.

#50328

fly

to fly

flies

flying

All of us felt ______ when we saw the girl speak very good English.

#50838

surprise

surprised

surprising

in surprise

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