1、一、用 when，while 或 as 填空1He was listening to music _ he was driving.2I was waiting to cross the street _ a boy fell off his bike.3Jack was walking in the street _ he heard a beautiful piece of music.4My mother was cooking _ my father was washing the car.5_ the autumn comes，the leaves turn yellow.二、用所给
2、词的适当形式填空6We were talking loudly when the teacher _(enter)the classroom.7What were you doing while your mother _(cook)?8Last week he _(fall)down a hole and got _(hurt)9You should avoid _(make) such mistakes.10(改编深圳)Can you promise _ (not be) late for school again，Tom?11Mr. Wang _ (mend) his clock whe
3、n I rang him.12_ you _ (write) when the teacher came in?13While John _ (sit) and biting his nails，I _ (work) out an idea to go home.三、根据汉语完成句子14杰克跌倒了，摔断了腿，因此不得不住院。Jack _ _ and broke his leg， so he had to be _ _15我像平时一样坐在桌子旁边。I sat at the table _ _.16我决定先做完作业。I _ _ _ to finish my homework first.17最后，
4、一些好心人帮助了他。Some _ _ helped him _ _ _18无论如何你都要保持冷静。Anyway，you should _ _.答案：一、1.while 2.when 3.when 4.while 5. As二、6.entered 7.was cooking 8fell；hurt 9.making 10.not to be11was mending 12.Were；writing13was sitting；worked三、14.fell down; in hospital15as usual 16.made a decision17kindhearted people; in the end 18.keep calm
