用when和while填空

Question

1.I nearly ____（fall) over ____I _____(skate) on the ice
2.it ____(start) to snow ___Lily___(walk) to school
用所给单词正确形式填空
1.___(luck), he did not hurt badly yesterday

写出具体分析过程………………

Answer 1

1.fell when skated 必然是过去发生的事
2.started when walked 开始没有正在进行时
1.Luckily 副词修饰 did not hurt badly 这件事

Answer 2

朋友，如果你会合并下列句子，就说明你已经懂了：
She came. I was waiting
------ When
------ While
------ She
------ I
(答案在下面)

When she came,I was waiting
While I was waiting,she came
She came while I was waiting
I was waiting when she came.
(一般来说，when + 一般过去时，而 while + 过去进行时)

Answer 3

fell, when ,was skating
started, when was walking
luckily

Answer 4

第二条是对的