Ⅰ.用适当的并列连词填空
1.I was studying when suddenly my phone rang.
2.Think it over again and you'll find a way out.
3.Do you want to go there by bus or by train?
4.He was ill, so he didn't attend the class.
5.I can't go out with you, for I have some urgent things to deal with.
6.I like playing basketball while my sister likes playing tennis.
7.He failed many times in the experiment but he didn't lose heart.
8.Read this story, and you will realize that not everything can be bought with money.