—Must I return the book this week?
— No, you ____. You can ____ it for 20 days.
| A．mustn't: keep | B．needn't; borrow |
| C．needn't; keep | D．mustn't; borrow |
With the help of his classmates, he ___________the difficult maths problems easily.
| A．gave out | B．acted out |
| C．put out | D．worked out |
________ of giant pandas is getting _________ because their living areas are becoming farmland.
| A．The number, larger and larger |
| B．A number, larger and larger |
| C．The number, smaller and smaller |
| D．A number, smaller and smaller |
A lot of famous doctors gathered in Harbin ______ save “China’s most beautiful teacher”--- Ms Zhang.
| A．so that | B．in order to |
| C．in order that | D．as a result |
Our government is trying to provide homeless people ______special shelter______ stay peacefully.
| A．with； to | B．with； for | C．for； to | D．for； with |
_________ animals are in danger and there will be _______ space for them if we don’t take any action.
| A．More and more; more and more |
| B．Less and less; less and less |
| C．More and more; less and less |
| D．Less and less; more and more |