The scientists are able to ____________ accurately when the spaceship will reach the moon.
| A．accumulate | B．calculate | C．appoint | D．estimate |
He exists ________ bread and water.
| A．on |
| B．in |
| C．by |
| D．with |
The boiler from excessive pressure of steam ________.
| A．exploded |
| B．burst |
| C．explode |
| D．erupt |
It was reported that a plane crash happened last night and most of the passengers were badly _______ and 10 died.
| A．damaged |
| B．injured |
| C．destroyed |
| D．harmed |
—Try not to work yourself too hard. Take it easy.
—Thanks. ________
| A．So what? |
| B．No way. |
| C．What for? |
| D．You, too. |
Being able to afford ________ drink would be ________ comfort in those tough times.
| A．the; the |
| B．a; a |
| C．a; / |
| D．/; a |