It is so difficult a problem that _____ student in this class _____ work it out.
| A．any, can't | B．no, can | C．every, can | D．no, can't |
Though your status is permanent, your identification card is only for 20 years and has to be renewed regularly.
| A．valid | B．convenient | C．temporary | D．secure |
When it comes to second hand cars, one has to be as as possible about the source and the condition of them.
| A．cautious | B．patient | C．urgent | D．casual |
He was arrested but was release very soon because of a lack of that he was guilty.
| A．doubt | B．conclusion | C．evidence | D．belief |
When a couple falls into a divorce or separation, their child often has to make a big in his or her life.
| A．promise | B．breakthrough | C．target | D．adjustment. |
The question came up at the meeting_____ we had enough money for our research．
| A．that | B．which | C．whether | D．if |