30. Although I admire you_____your work on soil, I think you should apologize_______the villagers for being the water pollution.
| A．for, to | B．to , for | C．for , for | D．to, to |
Whenever she is in trouble, her parents always come to her_____, which makes her thankful.
| A．houses | B．family | C．assistance | D．safety |
I had wanted to clean out the basement ____, but unfortunately he came back before I did it.
| A．in a hurry | B．in his absence | C．in his memory | D．in his company |
_____ crying sadly, he raised his head and let tears stream down his face on purpose.
| A．To be seen | B．Seeing | C．To see | D．Having seen |
---Who will address the students from our school this evening?
--- ______ to be the speaker.
| A．I am supposed | B．I will suppose |
| C．I have supposed | D．I was supposing |
Tommy had had a three-mile drive north _____ he could turn and head back south.
| A．while | B．as | C．before | D．after |