1 . —I apologize that I broke the goods on the shelf, Mr. Yang.
—Never mind. I’m sure you didn’t do it ________.

A．on vacation

B．on earth

C．on purpose

2 . —I apologize that I broke the goods on the shelf, Mr. Yang.
—Never mind. I’m sure you didn’t do it ________.

A．on vacation

B．on purpose

C．on earth

D．on business

3 . It has turned out to be a nice day ________.

A．in all

B．after all

C．on earth

D．for example

4 . Don’t ask him to study too late into the night. ________ he is only a child.

A．As a result

B．After all

C．On earth

D．For example

5 . 地球上有很多不同的动物和植物。
________ ________ many different animals and plants ________ ________.

6 . Many wild animals are ________, because people kill them for their fur and meat.

A．on earth

B．at last

C．in danger

D．in fact

7 . Everything is all right. What_______ _______(到底) are you crying for?