Save and protect natural resources, _________ we’ll run out of them in the near future.

A. and B. or C. but D. so

Traveling by car is _________ not reliable because of too many cars during the rush hours.

A. sometime B. sometimes C. some time D. some times

Mr．White can always make us relaxed．He is _________ teacher I have ever met．

A. the most humorous B. most humorous

C. the more humorous D. a humorous

Tom had learned more than 100 words_______ the age of five．

A. by B. about C. at D. of

I _________in London for many years, but I’ve never regretted my final decision to move back to China.

A. lived B. was living C. have lived D. am living

Nowadays many new taxi apps（打车软件）_________ to help people travel around more easily.

A. are used B. use C. used D. is used

The organization is considering _________ some money to victims of the natural disaster.

A. donate B. donating C. to donate D. to donating

Mum always tells me _________ any food when I have dinner at home.

A. not to waste B. don’t waste C. not waste D. to not waste

George couldn’t wait to _________ his new car.

A. put off B. set off C. take off D. show off

Could you tell me _________ in British schools?

A. what do students wear B. to wear what

C. what students wear D. students wear what