当你询问两本科学书的价钱时,你说:A.How much is it?B.How much are they?C.Can I help you?
My dictionary _______, I have looked for it everywhere but still _______ it.
Isshe _______ something?
--- _______ are you eating? --- I’m eating _______ meat.
Listen! She _______ in the classroom.
They _______ TV in the evening. They do their homework.