，some famous scientists have the qualities of being both careful and careless.

A. Strangely enough  B. Enough strangely  C. Strange enough  D. Enough strange

Papermaking began in China and from here it　　　　 to North Africa and Europe.

A. spread  B. grow  C. carried  D. developed

　　　　 is known to everybody, the moon travels round the earth once every month.

A. It　　　　 B. As　　　　    C. That　　　　　　 D. What

Hundreds of jobs___________if the factory closes.

A. lose  B. will be lost  C. are lost  D. will lose

If this dictionary is not yours, ___________can it be?

A. what else    B. who else     C. which else’s     D. who else’s

The new suspension bridge(吊桥)___________by the end of last month.

A. has been designed  B. had been designed  C. was designed  D. would be designed

The three sisters decided to hold a family party to　　　　  their parents’ silver wedding.

A. celebrate B. memorize  C. congratulate  D. welcome

The Parkers bought a new house but　　   will need a lot of work before they can move in.

A. they  B. it  C. one  D. which

—Thanks for the lovely party and the delicious food.

—　　　　　　  .

A. No, thanks  B. Never mind  C. All right  D. My pleasure

All the people ___________at the party were his supporters.

A. present　　　　　　　　　　　　　　　　   B. thankful

C. interested　　　　　　　　　　        D. important