— Something must be done to stop the far
题型：选择题
问题：
| — Something must be done to stop the farmers cutting down the forests. — I agree with you. If we ____, a lot more good land will be gone with them. |
A. won't B. aren't C. don't D. mustn't |
| — Something must be done to stop the farmers cutting down the forests. — I agree with you. If we ____, a lot more good land will be gone with them. |
A. won't B. aren't C. don't D. mustn't |