The pilot asked all the passengers on board to remain_________ as the plane was making a landing.

　 A. seat　　　 　　　　B. seating 　　　　 C. seated　　 　　　 D. to be seating

When you rewrite the paragraph, I advised you to leave out _____ is thought unnecessary or misleading.

　 A what B that C these D which

It cost me about 10 minutes to get changed.

He spent too much time talking on ______ phone while we were all busy at _____ work.
　 A. the, /　　 B. a, /　　 C. /, /　 D. the, the

Though having lived abroad for years,many Chinese still ______

　　　 the traditional customs.

　　　 A．perform　　　 B．possess　　　 C．observe　　　 D．support

There was the ____________(可能；可能性) of a huge tidal wave which could flood half the island.

Rain forests _____and burned at such a speed that they will disappear from the earth in the near future.

A. are been cut　 　 　　B. are cut　 　　　　　 C. are being cut 　　　 D. had been cut

Not only I but also Jane and Mary ___ tired of having one examination after another.

a. is　 b. are　 c. am　 d. be

Do you know __________ ?

A. he lives where　　 　　　　B. where he lives

C. where does he live　　　　 D. where is he living

It was raining heavily Little Mary felt cold, so she stood________to her mother.

A close 　　　　　 B closely　 　　　 C. closed 　　　　　 D. closing