—Did the children make the model all by________? —Yes, they did. A. they B. them C. themselves
Lucy is ill.She has a bad cold for several days.
You go and ask Tom.He know the answer.
— I put the bike here?—No,you can’t.
—Who is knocking at the door?—It be Miss Zhang.Because she has just gone to Japan.
—Must I finish my homework now?—No,you .