单选题 —Your classroom looks so clean and tidy.
—Yes, it ______ every day.

单选题 Many people have lost their homes because of wars. It’s important for people ________　　　a peaceful world.

单选题 —I can’t imagine _______in 2050.
—I think it will be more and more wonderful.

单选题 ________ the truth made him ________ say a word.

单选题 —Could you please tell me _______?
—You can take No.2 Bus.

单选题 —Jenny, do you know ________?
—Er, next Tuesday.

单选题 The painting is really valuable to him. He will never agree ________it.

单选题 The little boy is crying because his toy _________by someone a moment ago.