---Did you listen to the speech?
--- No, we ______ it. But we had a lot of traffic on our way.
| A．could have attended | B．must have attended |
| C．could attend | D．shouldn't have attended |
—Would you mind giving your advice on how to improve our efficiency?
—If you make _____ most of forty-five minutes classes day after day, there will be _____ switch in grades.
| A．/; / | B．the; a | C．/; a | D．the; / |
(2014届浙江省宁波市十校高三3月联考英语试卷）
This is challenging job I mentioned to you the other day． Have you had anyone in mind for it now?
| A．a, the | B．the;/ | C．the, the | D．a:/ |
英语试卷）
Corruption is _______ problem in countries across the world, with developing countries often believed to be more serious, although there is no evidence to suggest this is _______case.
| A．a; the | B．the; a | C．不填; the | D．a; a |
We can never expect _______bluer sky unless we create ______ less polluted world.
| A．a；a | B．a；the | C．the；a | D．the；the |
Eat-up Campaign has become＿＿＿ hot topic, calling for people to take＿action against waste
| A．a;／ | B．a; an | C．the;／ | D．the; an |