IV
1, not open -> not to open
2, having not-> not having
3, many -> much
4, We wish we had a longer vacation but we didn’t.
5, any informations -> any information
6, didn’t -> hadn’t gone
7, did he want -> he wanted
8, is -> are
9, their -> his
10, for -> of
VIII
1, It was so cold that we stay indoor.
2, The man was so tired that he doesn’t keep on working.
3, Because TV programmes can satisfy every taste, they attract so many viewers.
4, If he were good at English, he could get the job.
5, Nam wishes his car was washed every week.
6, He used to wait there day and night.