根据情景，选择正确选项。

1. — _____

    — No, my bag is blue.[ ]

A. What colour is your bag?

B. Is your bag black?

C. Whose bag is this?

2. — _____, where is the park?

    — _____ I don't know (知道).     [ ]

A. Excuse me; Excuse me

B. Excuse me; Sorry

C. Sorry; Excuse me

3. — _____ boys are there in the class?

    —  There are eight.[ ]

A. How many

B. How much

C. How some

4. — Your dress is very nice.

    — _____[ ]

A. Thanks.

B. Right.

C. No.