The earth will become worse and worse ________ we do something to stop her from being polluted.
| A．if | B．even if | C．when | D．unless |
The teacher asked the students .
| A．if they were interested in English |
| B．when was Albert Einstein born |
| C．what they will do with the computers |
| D．how many trees they have planted |
I hate people _________ talk much but do little.
| A．whose | B．whom |
| C．which | D．who |
---Would you please pass the message to Tom?
---________.
| A．I’d like | B．Yes, I would |
| C．That would be fine | D．It’s a pleasure |
I like English, I am good at it.
| A．and | B．but |
| C．or | D．though |
---Did you finish _____ the book?
---Yes, I did. Thanks ____ your dictionary, I had a better understanding of it.
| A．reading, for | B．reading, to |
| C．to read, for | D．to read ,to |