With his eyes ________ the work attentively, he didn’t know what was happening outside.

With his eyes ________ the work attentively, he didn’t know what was happening outside.

#91041

focusing on

focused on

fixing on

to fix on

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With so many different forms of poetry ______, students may eventually want to write poems of their own.

#91233

choosing from

chosen from

to choose from

to be chosen from

With the price of houses      , many people in big cities can’t afford to buy a house.

#91341

gone up

goes up

going up

being gone up

  Soon they got to a point where two roads met; they didn’t know _________.

#91541

which road to go

what road to go

which road to take

what road to take

The students left the room _______all the lights on.

#90928

with

and

but

when

With the price of pork and eggs _______ quickly, CPI has become a hot phrase among Chinese.

#91273

raising

going up

to raise

to go up

共454题