1. —— Is it necessary for her to tell him the truth?

  —— If she doesn’t tell him now, he’ll simply keep on asking her until she __________.

       A. will do              B. has done            C. does                  D. would do

2. —— ___________ you _________ the editor at the airport?

  —— No, he ________ away before my arrival.

       A. Have… met; has driven                  B. Had … met; was driven

       C. Did … meet; had been driven          D. Have … met; had driven

3. Mary _______ the Washington Science Centre. She is disappointed that her father doesn’t allow her to go there with her class.

       A. often comes to                               B. was going to

C. has never visited                            D. had never been to