In which word does the letter ‘i ’ have a different(不同的) sound?
Don’t talk with your partners in class_______ you are asked to do so.A. if B. when C. unless
The volunteer spoke as clearly as she could_____________the visitors understand her.A. to make B.making C.made
--Is Jack in his room?---No,I saw him _____ out with his backpack just now.A. go B. going C. went
.--- Cathy could swim when she was only 4 years old.---_______________.A. So did Jack. B.So can Jack C. So could Jack
Waste water ____________________into Xiang River.It’s our duty to keep it clean.A. shouldn’t be poured B. mustn’t pour C. can’t pour