—Have you ever been to Hong Kong?

—Of course. Actually, I ________there four years ago, but now I live in Shenzhen.

A.have worked B.worked C.had worked D.would work

He needs a piece of paper to write ________.

A.on B.for C.in D.with

The outbreak we are battling is our common enemy. All must work together to________ a strongest global network of control and treatment that the world has ever seen.

A.do B.make C.change D.build

—The delivery drivers sometimes run red lights during rush hour in order to________ his delivery goals for the day.

—It's dangerous. They only don't want to get negative comments and tickets.

A.set B.meet C.receive D.accept

—Look! There are so beautiful flowers on________ side of the street.

—How beautiful they are!

A.both B.either C.neither D.all

—Her voice was ________ of excitement. She must know the good news.

—I think so.

A.careful B.thick C.patient D.full

—Don’t mention that at the beginning of the story, or it may ________ the shocking ending.

—OK.

A.give away B.give out C.give up D.give off

－You _______ be happy with the strong public support you’ve received.

－Yes,you’re right.I’m really excited.

A.may B.can C.must D.need

China held a national mourning Saturday for martyrs who died in the ________ against the novel coronavirus disease (COVID-19) outbreak and compatriots died of the disease, according to the State Council.

A.sign B.fight C.flight D.sight

— She looks upset. Do you know ________?

—Sorry. I don't know, either.

A.what's wrong with her B.how is she feeling

C.what the matter is D.what 's he thinking of