Now researchers say that middle age________be the most fruitful time of life, full of new growth and development.
| A．must |
| B．should |
| C．will |
| D．can |
--- You can have a pet dog, but suppose you get bored with it in a few days? ______
--- We won't, we promise! (2011 .安徽)
| A．Then what? |
| B．A11 right? |
| C．How come? |
| D．So what? |
--- Is there anything else to discuss?
--- ______，I guess. (2013 .浙江)
| A．Not at all |
| B．No, that's all |
| C．Yes, I'm sure |
| D．Yes, of course |
--- Would you mind answering some questions on shopping habits?
—— ______ (2013 .福建)
| A．Yes, with great pleasure. |
| B．No, I am afraid I can't make it. |
| C．Yes, it is worth the time. |
| D．No, as long as it doesn't take long. |
--- Hey, can I ask you a favour?
--- Sure，______ (2013 .浙江)
| A．here you are. |
| B．just as I thought. |
| C．how is it going? |
| D．what can I do for you? |
Mother always complains that children ______ their shoes very quickly. (2013 .江西)
| A．find out |
| B．wash out |
| C．wear out |
| D．set out |