Everybody rose and clapped their hands ________ the end of the concert.

A. by

B. in

C. at

D. for

Studies show that less active students in class require a little more ________.

A. prize

B. task

C. friend

D. care

Jane took ________ look at her house the moment she started her car.

A. other

B. others

C. another

D. the other

Benjamin was born in Boston ________ the morning of January 17, 1907.

A. in

B. on

C. at

D. by

The waiter was asked to welcome guests with a ________ smile and a bow.

A. friendly

B. kindly

C. politely

D. happily

It’s important for a teacher to express ________ clearly in class.

A. he

B. him

C. his

D. himself

According to a recent survey, Google Play is one of ________ apps in the world.

A. popular

B. more popular

C. most popular

D. the most popular

The newspaper says house prices in Australia are expected ________ by 10% in 2017.

A. rise

B. rising

C. to rise

D. to rising

Something must be done to stop air pollution, ________ we will have no fresh air.

A. or

B. for

C. but

D. so

Taobao shop owners are busy ________ clothes for their online customers.

A. pack

B. to pack

C. packing

D. to packing