The 2nd China International Import Expo was held November, 2019.

A.at B.on C.in D.from

The young people dreamed of having a flat of own some day in the future.

A.they B.them C.their D.themselves

My computer at home doesn’t work as as the one in the school office.

A.fast B.faster C.fastest D.the fastest

The police are worried about the of the boy who has been missing for 3 days.

A.save B.safe C.safely D.safety

can make Jessica change her mind. She is a person who never gives up easily.

A.Anything B.Something C.Nothing D.Everything

-- will the Beijing Winter Olympic Games be held? -- In about 2 years.

A.How long B.When C.How many D.Where

They rushed to the hospital, they were too late.

A.but B.though C.or D.so

You are not allowed to enter the exhibition you have a ticket.

A.if B.when C.unless D.because

Christy has been in China for a few years, but she still speak Chinese.

A.needn’t B.can’t C.mustn’t D.shouldn’t

We a class meeting on rubbish classification（分類）this time last Monday.

A.were having B.are having C.had D.will have