You can’t appreciate happiness _______ you have known sadness too.
| A．because | B．when | C．though | D．unless |
Which do you enjoy ________your weekend，swimming or fishing.
| A．spending | B．being spent |
| C．spend | D．to spend |
—Nowadays a growing number of people go to work by bike.
—Bicycling is good exercise；________it doesn't pollute the air.
| A．therefore | B．moreover | C．however | D．otherwise |
Not until we saw the manager did we know that the bank ________the company for the purpose of reducing its borrowings.
| A．took part in | B．caused damage to |
| C．put pressure on | D．drew attention to |
1．Why don't you go for ________walk？It'll give you ________appetite for your lunch.
| A．a；/ | B．a；an | C．/；the | D．/；an |
We can become a smart shopper by choosing for value, not for looks; _______, choose good quality goods with plain packages.
| A．in particular | B．in other words |
| C．in addition | D．in any case |