It was hard for him to learn English in a family, in which _____ of the parents spoke the language.

   A. none                       B. neither                  C. both               D. each

—I knocked over my coffee cup. It went right over ____ keyboard.

—You shouldn’t put drinks near     computer.

A. the; 不填        B. the; a      C. a; 不填             D. a; a

He is very tired working all day. Don’t ________ him waiting outside in the rain any longer.

A. continue     B. leave

C. make  D. remain

——We are informed that the Weifang International Kite Festival starts at 7:00.

    ——Oh, I didn’t expect it was so early! I ____ to go out for dinner with my friends first.

A、was planning B、am planning  C、have been planning   D、have planned

—Tom was absent today,wasn’t he?

—No,he wasn’t.He was just late,because he ________ his bus.

A.failed          B.ignored              C.caught         D.missed

Peasants earn their living by selling agriculture __________ in China.

A.cost            B.food           C.products             D.production

—Mum,it is nice weather.I want to skate this afternoon.

—Don’t you think the ice on the lake is too thin to __________ your weight?

A.stand          B.bear            C.catch           D.take

Because of the snow,many parts of the countryside are only _________ by helicopter.

A.available            B.appropriate         C.accessible           D.achievable

_________ explanation is useful.

A.Far             B.Farther        C.Further              D.Farthest

Polar bears live mostly on _____ sea ice, which they use as ___ platform for hunting seals.

   A. a; a       B. a; the     C. 不填；a    D. the; 不填