----How long have you learnt the piano? ---- ______ two years ago.
He promised to pick me up at the school gate. However, he yet.A、hasn’t arriveB、didn’t arriveC、doesn’t arrive
the one-child policy, our country has controlled the population successfully.A、As for B、Thank for C、Thanks to
We are looking forward to you soon.A、seeing B、see C、seen
—Dad, how can I get on well with my classmates?—Try to be friendly to them. That will make it .A、easily B、easy C、easier
Food safety is important. Rules to stop people from food pollution.A、must makeB、must be madeC、can’t be made