5. It is certain that the ___________(进程)will be slower than expected.

4. I’d like to say that his _________(发音)is much better than before.

3. There are two _________(官方的)languages in Canada: English and French.

2. Our music class __________(组成)of 12 Chinese and 8 American students.

1. Research _________(表明)that men find it easier to give up smoking than women.