1 . The poor girl began s________ from a serious illness at a very young age.

2 . 我走进教室时，老师已经开始讲课了。
By the time I ________ ________ class, the teacher ________ ________ ________ already.

3 . My sister began ________ Japanese at the age of 4.

A．learn

B．learns

C．learning

D．learned

5 . When did you begin ________ German?

A．learn

B．to learning

C．learned

D．learning

6 . 易错点2： start to do/ doing sth. 开始做某事，相当于begin to do/ doing sth.
1. When did you start ________ (collect) stamps?
2. 他九岁的时候开始学英语。
He ________ ________ English when he was nine years old.

7 . 我妹妹七岁时开始读小学。
My younger sister ________ when she was seven years old.

8 . When did you ________（开始）learning Chinese?

9 . 她在八岁时开始游泳。
She ___________________________ at the age of eight.

10 . 很快，全澳大利亚的人都开始做大的东西。（汉译英）
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