Developing a low-carbon economy is__________global topic and the world needs
__________clean revolution with participation from everyone, decision makers to the children.
| A．a；the | B．a；a | C．the；a | D．／：the |
Our English teacher ____our buying a good English-Chinese dictionary.
| A．asked | B．ordered | C．suggested | D．required |
I wish you’d do____talking and some more work. Thus things will become better.
| A．a bit less | B．any less | C．much more | D．a little more |
—Shall I tell John about it？
—No, you _______.I've told him already.
| A．needn't | B．wouldn't | C．mustn't | D．shouldn't |
The fire spread through the hotel very quickly but everyone _______ get out.
| A．had to | B．would | C．could | D．was able to |
—When can I come for the photos？ I need them tomorrow afternoon．
—They _______ be ready by 1200.
| A．can | B．should | C．might | D．need |