The waters of the lake were so that it looked like glass .
| A．silent | B．calm | C．still | D．quiet |
_____ they are fit, I see no reason why they shouldn't go on playing basketball for another four or five years.
| A．In case | B．Provided that | C．Unless | D．As if |
It was not until dark ______ he found ______ he thought was the correct way to solve the problem.
| A．that; what | B．that; that | C．when; what | D．when; that |
What a great weight she felt ________ off her mind the moment she heard she had passed the College Entrance Examination!
| A．take | B．to take | C．taking | D．taken |
– What a terrible collision accident!
– Judging from the scene, personally, it is one or two car drivers, rather than the truck driver, who _____.
| A．is to blame | B．are blamed | C．are to blame | D．is blamed |
Trapped by the police, the terrorists made their ______ attempt to explode the bomb that they carried.
| A．brave | B．harmful | C．desperate | D．considerate |