Some of the roads were flooded, _________ made our journey more difficult.
| A．which | B．it | C．what | D．that |
_____ is the first thing to consider when customers buy certain goods.
| A．Quantity | B．Value | C．Quality | D．Reward |
He has lost the key to the drawer _____ the papers were kept.
| A．on which | B．with which | C．under which | D．in which |
I’m very tired now but _____ I must finish the work today.
| A．anything | B．anyone | C．anyhow | D．anywhere |
Many lifestyle patterns do such _____ great harm to health that they actually speed up _____ weakening of the human body.
| A．the; a | B．不填；a |
| C．the; 不填 | D．不填; the |
I shall never forget the days _____ I spent with the Whites, _____ has a great effect on my life.
| A．that; which | B．when; which |
| C．which; that | D．when; who |