Ⅰ.单句语法填空
1．—Are you the same person I spoke to on the phone yesterday?
—Yes，I am.
2． parents say and do has a lifelong effect on their children.
3．The mountain is very high.We can see it from a (distant)of 20 kilometres.
4．Progress so far has been very good. ，we are sure that the project will be completed on time.
