It’s important ___ us to protect the environment and it’s wise ___

It’s important ___ us to protect the environment and it’s wise ____ us to save water .

#46629

for , for

of , of

for , of

of , for

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I have some problems __________ my homework. Could you tell me _____?

#48431

with; what the height of the mountain is

in; what the height of the mountain is

with; what is the height of the mountain

in; what is the height of the mountain

My father watches the CCTV news _________________________8 p.m. and 9:30 p.m. every day.

#48112

form

between

since

both

There are many tall trees _____ our classroom.

#50349

in the front

in front

in front of

in the front of

–How long has Mr. Liu taught English?     --- _______ 1998.

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ince

3. That accident happened __________ a rainy night.

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with

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