题目内容
Steve has done his homework _______, but Kathy hasn't done hers _______.
[ ]
A. already, yet
B. already, already
C. yet, yet a
D. yet, already
答案:A
提示:
提示:
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already和yet都有“还,直到现在还”之意,一般用于现在完成时态,already一般用于肯定句,yet一般用于否定句和疑问句;ever“曾经”;never“从来没有”。 |
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