Thomas Jefferson was a leading__________ (create)of the U.S. Constitution.
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He is__________ (habit)late for school;he is never on time.
Could you give me a quick__________(explain)for how it works?
Boys are very much in the__________ (minor)at the dance class.
我国在革命和建设的过程中,长期使用着一种通过个别说明一般的调查方式,并赋予它一个特殊称谓,即________。