A beam of light will not bend round corners unless______to do so with the help of a reflecting device .
| A．having been made | B．being made | C．made | D．you make |
—Really，I don’t know_______to join the army or to find a job after my graduation.
—Why don’t you_______ your parents’ advice? They will surely help you.
| A．if;take | B．whether;follow | C．if;give | D．whether;seek |
There is a new problem involved in the popularity of private cars_______ road conditions need to be improved.
| A．that | B．which | C．where | D．when |
He told me that he had bought a music tape and _______buy another one the next week.
| A．he would | B．that he would | C．he should | D．he was going to |
—He looks unhappy.
—Yes,but he can’t say what it is_______is bothering him.
| A．as | B．that | C．what | D．which |
The time is approaching_______we will have to leave the lonely island.
| A．if | B．whether | C．that | D．when |