My sister is a book lover. She __________ lots of money buying new books.
A. pays B. spends C. costs
—Animals are our friends. We should protect them.
—________.
| A．I agree with you. | B．Sure, go ahead. |
| C．It must fun. | D．How exciting! |
Tom Maria are from Cuba?
| A．Both; and | B．Both; or | C．Either; and | D．Either; or |
I don’t think the robots will humans
| A．instead of | B．helps | C．take the place of | D．instead |
— ?
—Nothing serious, but a bit tired.
| A．Is that all | B．Is there anything else? |
| C．What’s this | D．What’s the matter with you |
If you still have a headache, you’d better ________ a doctor
| A．see | B．seeing | C．to see. | D．seen |