选择题：
1．________ I saw him, I knew he was the man the police were looking for.
A．As long as B．By the time
C．Even if D．The instant
2．The earth and sand ________ the houses.
A．blew up B．made up
C．brought up D．swallowed up
3．Can you imagine a plane flying ________ 8,000 miles an hour?
A．with a speed B．in a speed of
C．at a speed of D．by a speed
4． In the dark forests ________, some large enough to hold several English towns.
A．stand many lakes B．lie many lakes
C．many lakes lie D．many lakes stand
5．The Internet is widely used, which ________ the development of English.
A．speeds up B．takes over
C．gets across D．turns to
6．The reason why the price of house is so high is that building ________ are expensive.
A．goods B．materials
C．cost D．purpose
7．All the neighbors admire this family, ________ the parents are treating their child like a friend.
A．why B．where
C．which D．that
8．________ in a friendly way, their fierce quarrel finally came to an end.
A．Settled B．Settling
C．Being settled D．Having settled
9．We should try our best to ________ the household rubbish instead of throwing it away.
A．recycle B．recall
C．rebuild D．retell
10．Though he got what he had wanted, he looked at the shop window with ________ eyes.
A．exciting B．casual
C．absent-minded D．greedy
