—Many people talk about “Didi”. I really wonder _______.[
—Just call to order a taxi through it on your mobile phone.
A. how I can use it B. who uses it most
C. why people use it D. what it is used for
— Would you mind my using your camera?
— Sorry, there’s _______ with it.
A. wrong something B. wrong anything
C. anything wrong D. something wrong
—Wechat is an invention _______ can help people talk to friends, share photos, ideas and feelings freely.
—I think it’s very useful in our life.
A. which B. whom C. where D. whose
Every day, _______ people wait to watch the raising of the national flag at Tian’anmen Square.
A. thousands B. two thousands C. thousand of D. thousands of
—The 24th Winter Olympics will be held in China in 2022.
—_______ exciting news it is!
A. How B. What an C. What D. How an
— Will Sally come here tomorrow?
— I don’t know if she_______ here tomorrow. If she _______ here, I will tell you.
A. comes; comes B. will come; comes
C. comes; will come D. will come; will come
