begin|began|begins|begun

我想课程是昨天开始的。

I think the class ___began yesterday.

孩子们开始哭了。

The children ___began to cry.

课程昨天开始了。

The class ___began yesterday.

电影七点开始。

The movie ___begins at seven.

他们已经开始建新桥了吗？

Have they ___begun building the new bridge yet?

会议已经开始十分钟了，你迟到了。

The meeting had ___begun ten minutes ago when you arrived late.

孩子们已经开始学游泳了。

The children have ___begun learning how to swim.

我希望你们所有人都能以某种方式开始珍视音乐，并让它成为生活的一部分。

I hope all of you will somehow ___begin to treasure music and make it a part of your life.