At least 300 million people are using QQ _________ by Ma Huateng to chat on line．

At least 300 million people are using QQ _________ by Ma Huateng to chat on line．

#45059

create

creates

creating

created

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Today, computers are really helpful. They ____ everywhere.

#44613

use

are used

used

were used

—Professor Wang ______ to give us a talk next week.—Really? That’s good news.

#44717

will invite

is going to invite

will be invited

has invited

Stamps ______ sending letters.

#45020

used to

are used to

are used for

are using

The dogs were made __________ as fast as they could.

#44740

run

ran

running

to run

 We have discussed the project for two hours. And after a short break, the discussion 　　　.

#44377

will carry on

will be carried on

has carried on

were carried on

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