My new friend is a ________ boy.
A．sixteen years old B．sixteen years old C．sixteen year old
答案
C 点拨：考查复合形容词的用法和构成。复合形容词在句中作定语，修饰名词，结构为“数词名词(单数)形容词”，所以选C。
---_____________ are you staying at the camp?
---For about a week
A．What time B．When C．How long D．What day
─____ does your uncle live from here?
─ About 20 miles.
A．How long B．How often C．How far D．Where
— _______ can we get there?
—In five minutes.
A．How often B．How far C．How soon D．How long
—____________ will you be away?
—In a couple of weeks.
A．What time B．How soon C．How often D．How long
--______are the Olympic Games held?
--Every four years．
A．How often B．How long C．How far D．How soon
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