题目内容
---Wow! These inventions are amazing.
—They were all invented _______years ago.
| A.hundred | B.hundreds | C.hundred of | D.hundreds of |
D
解析试题分析:英语中数词表示概数时,后面加s,和介词of搭配使用。用原形时表示具体数字和数词搭配使用。句意:喔,这些发明太神奇了。——他们是多年以前发明的。结合语境可知下文表示概数,故选D。
考点:数词用法
点评:英语中关于hundred、thousand和million三个数词的用法只需要记住一个原则就行。即;前有数词则不加s,加s必加of。
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