__ plastcis , the machine is light in weight.
| A．To make of | B．To be made of | C．Made of | D．Having made |
It was quite ____ accident that I met him; he was homeless and ___ rags at that time.
| A．by; in | B．on; in |
| C．at; by | D．in; in |
—Is the letter from your mother?
—Yes.But she ________the letter herself，because she doesn’t even know one word.
| A．needn’t have written | B．can’t have written |
| C．might not have written | D．should not have written |
Vegetables are healthiest when eaten _______, as the vitamin is not cooked out of them.
| A．limited | B．raw | C．balanced | D．extra |
Don’t eat too much chocolate, or you can ________ weight quickly.
| A．put back | B．put away |
| C．put up | D．put on |
Dick is over sixty, but he looks young for his age. He is always full of ______.
| A．energy | B．power |
| C．strength | D．force |