[    ]

　　A. Her, Its, Their, her   B. Their, His, His, its

　　C. His, Its, They, his    D. its, His, Their, his

The Changjiang River is ______ river in China.

[    ]

　　A. as long as   B. long   C. longer   D. the longest

They cannot walk ______.

[    ]

　　A. fast enough   B. fastly enough

　　C. enough fast   D. enough fastly

The door opened slowly, and a little boy came in. ______ was Tom.

[    ]

　　A. His   B. She   C. It   D. They

It is necessary for us to keep the balance of nature.

[    ]

　　A. 指人   B. 指物   C. 指事   D. 指形式主語

You're a nurse, and you look like it.

[    ]

　　A. 指職業(yè)   B. 指物   C. 指事   D. 指醫(yī)院

He's thirty years old, but he doesn't look like it.

[    ]

　　A. 指年齡   B. 指物   C. 指事   D. 指地點

What a beautiful baby! Is it a boy?

[    ]

　　A. 指人   B. 指物   C. 指事   D. 指景色

It is nearly 10,000 miles from London to Hong Kong.

[    ]

　　A. 指人   B. 指物   C. 指事   D. 指距離

We all know that there's no air ______ water on the moon.

[    ]

　　A. and   B. but   C. or   D. so