难度：★    考点：量词数词

　　1. -Guang'an is a beautiful city, isn't it?

　　-Yes. There are about two ______ visitors here every week.

　　A. thousands of   B. thousands   C. thousand

　　2. There are ___teachers in our school, _____of them are women teachers.

　　A. two hundreds; three fourth B. two hundred; three fourths C. two hundred; three forths

　　3. I think ______ should not be allowed to drive.

　　A. sixteen years old            B. sixteen -year-old        C. sixteen-year-olds

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