-- I called you last night but no one answered it.
-- Oh, sorry. It must be that I had just finished my assignment and ______ a walk in the garden.
| A．taken | B．took | C．was taking | D．would take |
It is the Chinese custom to ________ for family unions on Mid Autumn Day.
| A．starve | B．admire | C．gather | D．remember |
You ________ touch the chemical, or you ________ get burnt.
| A．can’t; will | B．mustn’t; will |
| C．may not; would | D．shouldn’t; should |
I ________ work out the problem at first, but after my teacher showed me an example, I ________ get the answer easily.
| A．couldn’t; was able to | B．can’t; could |
| C．wasn’t able to; could | D．was able to; was able to |
Jenny doesn’t agree with her father, but she ________ that to his face.
| A．dare not to say | B．doesn’t dare to say |
| C．dares not say | D．dare not saying |
— Do you mind my taking the books away?
— ________.
| A．Certainly, please do. | B．No, go ahead. | C．Yes, not at all | D．No, please don’t |