—Are they watching TV?
—Yes, .
A.they are B.they aren’t C.they be
同学问你下午有什么课时,他会说:
A.What lessons do we have this morning?
B.What lessons do we have this afternoon?
C.How many subjects do you have?
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?