--- Mary knows so much about ______earth!
---Yes, although she is only ____eight- year-old girl.
| A．an; a | B．the; an | C．the; a | D．an; an |
---Have you read today's morning paper?
---Not _______. What's the latest news?
| A．only | B．yet | C．ever | D．just |
---Could you please help me check what's wrong?
---Sorry, I don't have much _______of the computer.
| A．introduction | B．development | C．knowledge | D．information |
I am too busy to listen to her ______ talking. She has talked for about two hours.
| A．hopeless | B．endless | C．harmless | D．careless |
______ exciting news it is!
| A．What | B．What an | C．How | D．How an |
—Would you mind _______ me solve it? —_______.
| A．to help; No, not at all | B．helping; With pleasure |
| C．help; Yes, please | D．helping; Sorry, you can’t |