China supplies more than 90 percent of the world’s rare earth metals, but its reserves only _______

  China supplies more than 90 percent of the world’s rare earth metals, but its reserves only ________ about one-third of the world’s total.

#52193

take up

make up

build up

set up

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It takes Jill 10 minutes________ to school every morning.

#54307

walk

walking

to walk

walks

—— Let's play volleyball. ——Ok, that sounds ____.

#54924

polite 　

helpful 　

great 　

fun

—Many students don’t know how to ________ stress and become worried.—I think they’d better ask their teacher for help.

#57953

come up with

do with

deal with

argue with

— Air quality in our city is becoming worse and worse.—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.

#55017

reduce

remove

collect

gather

I usually ______ sunglasses outside in the sun.

#52494

put on

putting on

wear

wearing

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