—Look!Peter is playing basketball on the playground.—It________be Peter.He has gone to Beijing.
–Do the Smiths live next to you? --No, but they____.
— Would you lik e to take a trip to Hawaii this summer vacation? — No, I ___________ there several times.
—Tom finished his homework, didn’t he? —__________, though he was ill yesterday.
____ the help of man-made satellites卫星, we can know what the weather will be like in the future few days.
— What are you going to do? — I`m going to have my hair _______