摘要： I think games is much interesting than housework.A. to play; doing B. playing; doing C. play; do D. to play; to do
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从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
I think it's _________ useful advice, so I will always remember it.
- A.a
- B.an
- C.the
- D.不填
I think _____ of the materials I listen to at the beginning of the exam _____easy.
- A.two thirds, is
- B.second three, are
- C.two thirds, are
- D.two third, are