Between two classes, we usually have a ________break to help to rest our brains. We should open the windows to breathe some fresh air during the break.

A.15-minutes B.15 minute's C.15-minute

—We'd better ________a taxi right now, or we won't get to the meeting on time.

—All right.

A.call back B.call in C.call up

All of my classmates ________ the Communist League（共青團）since 3 years ago. We are all proud of it and hope to make contributions to our country.

A.joined B.have joined C.have been in

I ________play computer games in groups online, but now I get used to ________through the Internet.

A.am used to, studying B.used to, studying C.used to, study

—Any successful book like Harry Potter ________reading.

—Yes, and most readers of the books can't wait ________what happens next in these magical stories.

A.needs, seeing B.needs, to see C.need, to see

—It's only six o'clock. Why do you get up so early?

—I must put the time to good use if I want to achieve my dream, I decide to get up ________the sun ________from today on.

A.as soon as, rises B.as far as, raises C.as well as, rises

—Where are you going for fun in the coming summer vacation?

—I ________ go to Europe, but it depends on my mother's plan.

A.must B.may C.need

Skimming（略讀）is used when our purpose is to quickly get a general idea about the reading material.

The skimming is one of ________styles when you have to read a lot of material in a moment.

A.much useful B.more useful C.the most useful

A terrible disaster ________COVID-19（新冠肺炎）is happening to the earth, we should do more things we can ________the wild animals instead of killing them freely.

A.is named, protect B.named, to protect C.named, protecting

I will never forget the teachers in Hongqiao ________have helped me a lot whenever I have trouble ________during the last four years.

A.where, to study B.that, studying C.which, studying