Food safety is important. Rules to stop people from food pollution.
—How clean the window is!—Yes, it just now.A、cleanedB、has been cleanedC、was cleaned
Paris is one of in Europe.A、the liveliest citiesB、the liveliest cityC、the lively city
—May I come in! I’m sorry I am late.—Come in, please tell me .A、why you are late againB、what were you doingC、who did you talk with
When I began to sing, he laughed and laughed, which made me .A、embarrassed B、impolite C、exhausted
Flight 987 will in five minutes.A、set up B、set off C、set down