—I wonder ______ without water.
—For about a week.
| A．how long can a man live | B．how long a man can live |
| C．when can a man live | D．when a man can live |
--- What’s wrong with my son, doctor?
--- ____________ serious, just a slight cold. He’d better drink some water.
| A．Everything | B．Nothing | C．Something | D．Anything |
We have to finish so much work within two days. We can’t __________ to waste any time.
| A．wait | B．afford | C．want | D．have |
It’s the _______ that caused the big forest fire. A young man dropped it carelessly at picnic.
| A．cigarette end | B．electric light |
| C．lightning | D．thunder |
--- Good news, Edward has won 5 million pounds in last week’s lottery.
---How exciting! ________________________.
| A．When the cat’s away, the mice will play |
| B．Every dog has its day |
| C．Many hands make light work |
| D．Don’t put all your eggs in one basket |
--- Look, what a heavy rain! What shall we do now?
--- ____________ it’s raining hard, let’s stay at home to surf on the Internet.
| A．So | B．Since | C．Though | D．If |