Zhangqiang is said ______ the experiment in the lab, but I can’t find him there.

Zhangqiang is said ______ the experiment in the lab, but I can’t find him there.

#92292

to have done

to do

to be doing

doing

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Here _____. This is our classroom.

#94132

are we

we are

you are

are you

  ________is no doubt that today greenhouse gases are the largest human influence on global climate.

#91866

There

This

That

After finishing middle school, my sister did nothing ____ at home.

#93846

but read

but to read

besides reading

except to read

He was________rude________she refused to reply.

#91876

so；that

very；that

too；that

such；that

Loulan is believed __________ over by sandstorms gradually from AD200 to AD400.

#92411

to cover

to be covered

to have covered

to have been covered

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