_________a written permission, he had to write another letter to the president of the university.
| A．Not giving | B．Not having been given |
| C．Having not given | D．Having not been given |
--- Why does she always ask you for help?
--- There is no one else _____ , is there?
| A．who to turn to | B．she can turn to | C．for whom to turn | D．for her to turn |
In China, all the students work hard at school _________ going to university for higher education in the future.
| A．in the habit of | B．in the hope of | C．in search of | D．in honor of |
--- I seldom watch TV, but I listen to the radio a lot.
--- ______________.
| A．So do I | B．Neither do I | C．The same to me | D．So it is with me. |
Robert is said ___________ abroad, but I don’t know what country he
studied in.
| A．to have studied | B．to be studying | C． to study | D．to have been studying |
--- When did you go to Shanghai?
--- I remember ______ there when I was a boy of ten.
| A．to be taken | B．being taken | C．to take | D．having taken |