Sam is a little weak in English and he has _______________ what the teacher says in class.
| A．difficult to understand |
| B．difficult understanding |
| C．difficulty to understand |
| D．difficulty understanding |
—Do you still remember that accident，Danny？
—Of course．I’ll never forget it________it happened so long ago．
| A．only if |
| B．even though |
| C．because of |
| D．ever since |
—I’m really________before the exam．
—Take it easy．You’re the best．
| A．surprised |
| B．nervous |
| C．comfortable |
| D．confident |
The woman is very busy so she________watches TV．
| A．often |
| B．always |
| C．seldom |
| D．almost |
I don’t believe that this________boy can paint such a nice picture．
| A．five years old |
| B．five-years-old |
| C．five-year-old |
| D．five year old |
Indeed he has a serious face，but he is very________at heart．
| A．selfish |
| B．patient |
| C．humorous |
| D．generous |