-Is that your best friend Kitty?
- No, it _________ be her. She flew to Singapore yesterday.
| A．mustn’t | B．may not |
| C．needn’t | D．can’t |
---Do you mind my opening the window to let the fresh air in?
---__________. I also would like to breathe in some fresh air.
| A．Never mind | B．Not at all | C．That’s all right | D．You’d better not |
Peter is_________ about the world around him and wants to know everything about it.
| A．curious | B．excited | C．worried | D．crazy |
--- a month do you do voluntary work ?
---Twice a month.
| A．How long | B．How many times |
| C．How much | D．How often |
---Has Jack finished painting the picture yet?
--- I’ve no idea. But he______ it the whole afternoon.
| A．was painting | B．painted | C．had painted | D．have painted |
_________ fantastic time they had playing hide-and-seek in the park!
| A．How | B．What | C．How a | D．What a |