I don’t know _____ he will come tomorrow or not ,_______he comes , I’ll tell you.

“Drive-ins” have large parking lots ______ customers are served in their cars by waitresses．

Tom was so wild about computer games that he would stay online for ten hours ______every day

The telephone rang, but it________before I could answer it. [ ]

To be frank, I don’t think the carpets and curtains in your room _____ well. [ ]