—You can speak French well. Who taught you?
—Nobody. I learnt it all by _____.

The girl is old enough to look after           .

Everyone sometimes needs to feel good about ________.

"Help _____ to some fish." Mrs. Smith said to the children.   

用所给单词的适当形式填空。
1. I built one of my rockets _____ (I)
2. I _____ (lose)one of my books yesterday.
3. Danny has been _____ (launch) rockets for two years.
4. —How _____ (much) pens do you have?
    —Four.

下列各句均有一处错误，请找出并改正。
1. Help yourself to some chicken, children.
    _____________________________
2. He is very young,and he knows a lot.
    _____________________________
3. His mother teach him at home when he was young.
    _____________________________
4. Because he is too young,so he can't lift the box.
    _____________________________
5. The children enjoyed them in the park.
    _____________________________

你能写出下列单词的反身代词吗？试试吧！

We did this job all by_________.

Help_____to some fish, boys.       

—Who teaches you English?        
—Nobody, I teach _____.