—Who can help us with the cooking?
—Either Linda ______ Nancy. They are both helpful.
A. or B. and C. but
Nanjing Underground Line 10 ______ on the morning of February 27th, 2014.
| A．tested | B．has tested |
| C．was tested | D．has been tested |
—Are you sure you have to? It’s been very late.
—I don’t know ______ if not now.
| A．where can I do it | B．why did I do it |
| C．when I can do it | D．how I will do it |
I ______ use a clock to wake me up because at six o’clock each morning the first train passes by my house.
| A．couldn’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
More Hope Schools have been ______ in China to help children to return to school in the past few years.
| A．set up | B．put away |
| C．given up | D．sent up |
—Unluckily, you couldn’t come to the picnic with us. It was so much fun there. You must come next time.
—No, thanks. I don’t think I ______ any fun.
| A．have | B．will have |
| C．have had | D．was having |