用括号内所给动词的适当形式填空。

小题1:Eighty students have entered the writing competition since it __________. (hold)

小题2:Girls, ________ (not be) nervous about speaking English.

小题3:His bike ______ ( break) down when he went to work yesterday.

小题4:I think more money ______(need) to carry on with our work.

小题5:The oil price________(rise) a lot in the past ten months.

小题6:While they _________ (prepare) for the exam tomorrow, the door bell rang.

小题7:It is important __________ (not feed) your goldfish too much food.

小题8:My teacher told me that light ________ (travel) faster than sound.

小题9:They were heard ______ ( sing) in the room just now.

小题10:The report says some animals can ________ (make) to work for people after training.

同一个叶片泵可以正反两反面旋转。