There are ______days in a week. [ ]A. the seven B. seven C. sev

题型：同步题难度：来源：

There are ______days in a week. [ ]

A. the seven
B. seven
C. seventh
D. the seventh

答案

举一反三

There are ______ workers in this factory.         [     ]
A. four hundreds
B. hundreds of
C. four hundreds of
D. hundred of

题型：月考题难度：| 查看答案

—Have you seen the CCTV news on TV?
—Yes, _______ children had a good festival on Children"s Day.       [     ]
A. million of
B. millions of
C. ten million of
D. ten millions

题型：期末题难度：| 查看答案

Every year _______ of trees are planted on the hills to protect      the environment.[     ]
A. a thousand
B. thousands
C. thousand

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There are more than 200 _____ stars in our galaxy. [ ]
A. billions
B. billions of
C. billion

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Quzhou is a wonderful place, _____ visitors come here every year. [ ]
A. two millions
B. million of
C. millions of
D. two million of

题型：浙江省期中题难度：| 查看答案