—Tom, can you answer the door? __________ is knocking the door.

—OK, Mom.

A.Somebody B.Anybody C.Nobody

The experts（專家）tried to make the Xi'an-Chengdu high-speed railway have the least __________ on the wild animals around.

A.traffic B.material C.influence

As the saying goes, "When in Rome, do as the Romans do." So when we come to a new place, we should follow the __________ culture and customs.

A.natural B.national C.local.

Nowadays Alipay and WeChat Pay are __________ used in China. Most people don't take money with them anymore when they go out.

A.exactly B.widely C.wisely

Many people finally succeed only after they have __________ for many times.

A.failed B.remained C.mentioned

It is reported that nearly one hundred thousand people visited the Great Wall during this National Day. ________, the Great Wall is one of the world's greatest places of interest.

A.All of a sudden B.Without doubt C.From time to time

—Have you had any ideas for our group project?

—Why not do a study on how to __________ the waste paper in our school?.

A.lay out B.look up C.deal with

Xiongan New Area __________ being built as a green and smart city，and it plays an important role in China's development.

A.is known for B.is worried about C.is born with

Last year, the first made-in-China ballpoint pen tips（圓珠筆筆頭）were _________ by Taiyuan Iron（鐵）&Steel.

A.divided B.required C.produced

—Excuse me, could you tell me _________? I want to know the exact time.

—Sorry，I don't know. You can go to the information desk.

A.where the plane will arrive B.which plane I can take C.when the plane will leave