I just don’t understand _______ that prevents so many Americans from being as happy as one might expect.
| A．why it does | B．what it does |
| C．what it is | D．why it is |
I soon found that the work I was doing had already been done by someone else－, I was wasting my time.
| A．what’s worse | B．all in all | C．all the best | D．in other words |
The boy is so naughty that he never his mother.
| A．disobeys | B．obeys | C．objects | D．annoys |
It was only when I fully understood the poem to appreciate its beauty.
| A．did I come | B．then I came | C．had I come | D．that I came |
It was really a experience. Afterwards everybody was very .
| A．terrifying; shocking | B．terrified; shocking |
| C．terrifying; shocked | D．terrified; shocked |
After the flood, what we did first was to providefor the homeless families.
| A．equipment | B．accommodation | C．furniture | D．position |