idea.РD.I’m thirsty. Let’ do.Р15、That dinner was the most expensive meal we _____________.РA.would haveРB.have hadРC.have ever hadРD.had ever hadР16、Could you tell me ________?РA.how long you live hereРB.how long have you lived hereРC.how long you have lived hereРD.how long did you live hereР17、Hello, may I talk to the headmaster now ?РA.Sorry, he is busy at the moment.РB.No, you can’t.РC.Sorry, you can’t.РD.I don’t know.Р18、They were asked to avoid _______ any water which had not been boiled.РA.drinkingРB.to drinkРC.havingРD.not to be drunkР19、What do you think of the play?РA.Yes, I like.РB.Wonderful, indeed.РC.No, I don’t .РD.I had no time.Р20、Robert is said __________ abroad, but I don’t know what country he studied in.РA.to have been studyingРB.to studyРC.to be studyingРD.to be studied