李明上街买东西，碰见了久未见的朋友李雷，李雷问李明，“好吗”，他该说：（ ）
| A．Good morning. |
| B．How are you ? |
| C．Nice to meet you . |
| D．Good afternoon. |
My brother usually goes to school ______ foot.
A. onB. toC. by
I take music lessons in Children's Palace _____ every afternoon.
A. atB. onC. 不填
They look tired, _____ they?
A. don'tB. willC. are
We will get to Zhuhai at ______ six o'clock the next afternoon.
A. nearB. aboutC. beside
When _____ school start in the morning in Canada?
A. isB. doC. does