The small boat was almost sunk by the dinosaurs which suddenly ________ to the surface, fighting each other, but fortunately the three men ________ get away.
| A．rose; could | B．rose; were able to |
| C．arose; could have been able to | D．raised; could have |
The house rent is high. I’ve got about half the space I had at home and I’m paying ________ here.
| A．as three times much | B．three times as much |
| C．much as three times | D．as much three times |
Nuclear science should be developed to guard peace ____ destroy the world.
| A．instead of | B．more than | C．rather than | D．less than |
—Has the doctor _______the old woman of her illness?
—No, he ______ her but didn’t ________ her.
| A．cured; treated; treat | B．cured; cured; treat |
| C．treated ; treated; cure | D．cured ; treated; cure |
—Is the White House _________ to ordinary visitors?
—Of course.
| A．adjustable | B．available | C．reasonable | D．accessible |
The little boy was allowed to go swimming _______ he kept near the other boys.
| A．provided that | B．in case | C．now that | D．by the time |