一

二

二、用所给词的适当形式填空 1.It is the third time that you 　　　(come) to our school.  2.So far Peter 　　　(not ring) back.Shall we make a phone call to him again?  3.The Chinese 　　　(make) paper for over two thousand years.  4.She ought to have a rest;she has a headache because she 　　　(read) all day long.  5.Since I won the prize,my phone has never stopped ringing.People 　　　(phone) to ask how I want to deal with the money.  答案:1.have come　2.hasn’t rung　3.have been making　4.has been reading　5.have been phoning