Carl is starting college in September. ______, he’s traveling around  Europe.

 To improve your spoken English, you’d better listen to the tape __________.

We don’t care if a hunting dog smells _____, but we really don’t want him to smell ____.

— Oh, really? Can Doris read through it in such a short time?— She covered the English novel ______ it took me, still less a simple story．

Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky, ____?