623. We are ________ our desk now.

A. with　　　 B. at　　　 C. in　　 D. on

622. He lives _______ 23 Arthur Avenue .

A. at　 B. in　 C. on　 D. with

621. Some New Year’s parties begin _____ ten or eleven o’clock in the evening.

A. with　　 B. in　　　 C. at　　　　 D. on

620. People were used to ______ clothes of cotton and wool, but now more and more other materials are used to ____ clothes as well.

A. make; making　　　　　　　 B. making; make

C. making; making　　　　　　 D. make; make

BAABD　 ACDBC　 BADCB　 DACBB　

619. The meeting is to begin at 4;00 p.m. and we are _____to be there a bit earlier.

A. invited　　 B. supposed　　 C. allowed　　 D. hoped

618. The reason for his absence is _____ he had to look after his sick wife.

A. why　　　 B. because　　 C. that　　　 D. whether

617. We had a wonderful time that day. It was years______ we had enjoyed ourselves so much.

A. since　　　 B. when　　　 C. until　　　 D. that

616. Having done three experiments without rest, they were _____out to go on with ______one.

A. so tired; a fourth　　　　 B. so tiring; the fourth

C. too given; the fourth　　 D. too worn; a fourth

615. Children are always ____ about what they see for the first time.

A. pleased　　　 B. curious　　　 C. interested　　 D. fond

614. On the way to the market, Mrs Turner _____ to see one of her old friends.

A. called on　 B. called at　　　 C. dropped in　　　 D. visited