Please remind me _________ he was going. I may be in time to see him off.
| A．where | B．how | C．when | D．what |
Due to the policy of free highway fees on major holidays, too many passenger cars are trapped on the highways, causing heavy traffic jams, some even _________ for several hours.
| A．held up | B．broken up | C．taken up | D．given up |
Clothing made of man-made materials has advantage over _________ made of natural ones like cotton, wool or silk.
| A．one | B．it | C．that | D．the ones |
To forbid the cheating strictly in this important exam, the authorities have released a rule that students _________ bring any reference books and stationery into their classrooms.
| A．will not | B．shall not | C．might not | D．need not |
_________your watch five minutes ahead is an effective way to avoid being late.
| A．Set | B．Having set | C．Setting | D．Being set |
—Oh, Mom, just a few minutes.
—Hurry up, Harry, or by the time you pack your belongings, the flight _________!
| A．has left | B．will have left | C．had left | D．will be leaving |