—Do you like traveling? —Sure. I _____ to Australia six months ago, but I _____ anywhere since then.
32.What kind of mistakes do you want to avoid ____full marks in your test?
31. _____his being late again,he lost his job and had to stay at home.
30.We don’t allow____here,but we can allow you ____in the next room.
29.They look forward____a chance to receive further education.
28.It’s reported that the United States____energy as the whole of Europe.