—Your phone looks so nice. Its color is attractive to me most.
—It’s Huawei mate 30 I like best. I ________it since it was ________in the market.
A.have had, come out B.have had, sold C.had had, appeared
— As we know, health is above wealth. More and more people care about the quality of air.
— I couldn’t agree with you more. The air requires ________ to keep us healthy.
A.be improved B.improving C.to improve
－Did you watch the TV show Joy of Life (庆余年）at the end of 2019?
－No. I ________ a class with my classmates at that time.Is there anything interesting in it?
A.had B.was always having C.have had
It’s probably a good idea for parents to allow teenagers to ________in groups after school in the afternoon because this helps them keep healthy as well as become good friends.
A.study B.design C.exercise
—The Spring in 2020 is very special to us. All of us united together to fight against New coronary pneumonia(新冠肺炎）for our beautiful homeland.
—Yes. But success ________ a strong will, hard work and proper ways, we believe we are sure to overcome this disaster and difficulty.
A.was based on B.depends on C.calls up
Which word of the following has a different stress from the others?
A.perform B.relative C.product
