In our class, the student leaders are on ______ duty every ______ few days.
| A．the; a | B．a; the | C．a; a | D．不填; 不填 |
__________ a certain doubt among the workers as to the necessity of the work.
| A．There existed | B．It existed | C．There had | D．It had |
—She couldn't have done that sort of thing.
—Whatever she did was reasonable, __________ to what you did.
Besides, it, s none of your business. Get down to __________ your lessons.
| A．comparing; doing | B．comparing; do |
| C．compared; doing | D．compared; do |
—Do you know the new type of computer will come on the market soon?
—Really? It is said to be __________ to any other model. I can't wait to buy one.
| A．inferior | B．superior | C．prior | D．junior |
Every student in our class works hard. There is __________ they will make great progress in the future.
| A．no wonder of | B．no wonder which |
| C．no doubt which | D．no doubt that |
We have gathered nearly 100, 000 quilts, __________ up to half have gone to the flood-hit areas.
| A．with which | B．in which |
| C．for which | D．of which |