–Our classroom _________ twice a day. So it is very clean.

–Our classroom _________ twice a day. So it is very clean.–It is important for us to do this.

#44640

is sweeping

is swept

sweeps

has swept

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English __________ by many people in the world.

#44455

use

uses

is used

used

Don’t stand up until you ____________.

#44883

tell to

are told

are told to

are told to do

Our classroom _____ every day, so it’s very clean.

#44863

cleans

is cleaning

is cleaned

cleaned

It is said that Chinese people_________ to travel to Hongkong freely next year.

#44418

are allowed

allow

will allow

will be allowed

Today, computers are really helpful. They ____ everywhere.

#44613

use

are used

used

were used

共461题