. Mary had taken _____ to see that her guests had everything that they could possibly want.
| A．efforts | B．pains | C．attempts | D．endeavors |
I think you should be about giving your address to strangers. It might be dangerous.
| A．confident | B．cautious | C．scientific | D．positive |
—What’s the matter with Tim?
—Oh. Tim’s cell-phone was left in a taxi accidentally, never again.
| A．to find | B．to be found | C．finding | D．being found |
Using his hybrid rice, farmers are producing harvests before.
| A．as twice large as | B．twice large than |
| C．larger than twice | D．twice as large as |
Take your time--it’s just short distance from here to restaurant.
| A．不填；the | B．a; the | C．the; a | D．不填；a |
We found the ruins ____.
| A．the most interest | B．most interested |
| C．most interesting | D．of most interesting |