含有相同元音音素的一项是 。

When did your parents __________— They ___________ for 20 years.

The thread of my kite broke and it flew away.—I told you it would broke easily it was the weakest.

The world will be different from what it is now, and we will have to be prepared to ____to the change

This summer holiday I did an English coursewhich ____ for four weeks.