-----I _____without your help. I do appreciate it .
-----You are welcome.
| A．can’t manage | B．couldn’t manage |
| C．can’t have managed | D．couldn’t have managed |
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 |
—It is said that there ____ be a big disaster in the town in five years.
—Nobody ______ tell exactly what will happen in the future.
| A．may; can | B．may; may |
| C．should; may | D．can; should |
—May I smoke here?
—If you ____, choose a seat in the smoking section.
| A．should | B．could | C．may | D．must |