To make your DIY work perfect, you’d better get all the tools ready ________ you start.
A. since B. before C. when D. after
—Do you know ________?
—Yes, of course. It will be hosted (举办) by Beijing and Zhangjiakou.
A. how will be the 2022 Winter Olympic
B. where will be the next Winter Olympic
C. when will be the next Winter Olympic
D. which city will host the 2022 Winter Olympic
You can work in small or large groups: it ________ your personal choice.
A. puts on B. comes on C. depends on D. hangs on
—Don’ t smoke here, Dad. Smoking ________ in public places.
—Oh, sorry. I will stop right now.
A. isn’t allowed B. aren’t allowed C. doesn’t allow D. won’t allow
The dictionary at the lost and Found office ________ be Tim’s, because his name is on its corner.
A. can B. can’t C. must D. mustn’t
---Excuse me, what time does Flight BA 2793 leave?
---Just a minute. I_______ it for you.
A. check B. checked C. will check D. have checked
