After the new technique was introduced, the factory produced _____ trucks in 2002 as the year before.

[　　]

A．as twice many　　　B．as many twice

C．twice as many　　　D．twice many as

Each player of chess is trying to trap the other player's king into a position _____ escape is impossible.

[　　]

A．when　　　　　B．that

C．in which　　　 D．from which

_____ it or not, his discovery has created a stir in scientific circles.

[　　]

A．Believe　　　　　B．To believe

C．Believing　　　　D．Believed

Stand over there _____ you'll be able to see it better.

[　　]

A．or　　　B．while

C．but　　 D．and

Pigs _____ in our school _____ the food we students have thrown away.

[　　]

A．fed; feed on　　　　　　　　　　B．are fed; live on

C．that are fed; feed with　　　　　　D．fed; feed to

French _____ English _____ having gender for all nouns.

[　　]

A．different from; in　　　　　B．is different; from

C．differ from; in　　　　　　D．differ; from

Don't be afraid of asking for help _____ it is needed.

[　　]

A．unless　　　　　　　B．since

C．although　　　　　　D．when

Chicago is on _____ Lake Michigan.

[　　]

A．the　　　　B．/

C．a　　　　　D．an

Paper money was in _____ use in China when Marco Polo visited the country in _____ thirteenth century.

[　　]

A．the;/　　　　 B．the; the

C．/; the　　　　D．/; /

Alice returned from the manager's office, _____ me that the boss wanted to see me at once.

[　　]

A．having told　　　　B．tells

C．to tell　　　　　　D．telling