—We're doing a lot to protect our environment, but it is not good enough. —So we should try______ to look after it.
| A．hard | B．harder | C．hardest | D．hardly |
-Which dress would you like,Madam?—Sorry,I can’t decide ____now.
| A．to buy which one | B．buy which one |
| C．which one to buy | D．which I should buy a |
—Let’s go shopping_____staying at home,shall we?
| A．as well as | B．in order to |
| C．instead of | D．better than |
--______interesting the book is!—Yes.I have read it twice.
| A．What | B．What an | C．How | D．How an |
Could you tell me____a meeting in Guangzhou next week?
| A．if there was going to be |
| B．if there is going to be |
| C．whether is there going to be |
| D．whether there is going to have |
—It’s too difficult for me ___the task in such a short time.
—Cheer up,I am sure you can.
| A．finish | B．to finish | C．finished | D．finishing |