Thank you very much for all you've done for me，which is ________great value to me.
| A．of |
| B．with |
| C．in |
| D．at |
28. The officer was very concerned ________ the latest development in the case because he was concerned ________ it.
| A．about; in | B．for; about | C．with; for | D．in; with |
27. If we ________ to him, he will make further demands.
| A．give up | B．give away | C．give out | D．give way |
26. Parents always tell us not to stay ________ there is danger.
| A．in which | B．the place where | C．at the place | D．Where |
25. – Tom, it's too late. Our son ________ be back.
– Don't be anxious. I dare say he ________ have some extra work to do.
| A．can; must | B．will; might | C．should; must | D．must; may |
24. More than one ________ the people heart and soul.
| A．officials have served | B．official has served for |
| C．official has served | D．official have served for |