Every possible means _____ .
| A．has tried | B．has been tried |
| C．was tried | D．were tried |
.
Don’t cry over your lost friendship any more. It ________ be helped.
| A．mustn’t | B．needn’t | C．shouldn’t | D．can’t |
.
_______ not like Jim to be late for class. He is always on time.
| A．Here’s | B．That’s | C．It’s | D．There’s |
.
Can’t we just live in today, ________ the worries of tomorrow or the regrets of the past?
| A．free from | B．aware of | C．sure of | D．tired from |
.
If we ________ earlier, we would have had trouble getting good seats.
| A．didn’t arrive | B．haven’t arrived | C．hadn’t arrived | D．couldn’t arrive |
.
. — You look troubled.
— The director asked me to finish this task by Sunday. How can I ________ to?
| A．attempt | B．manage | C．decide | D．happen |