题目内容
The grandfather was ________ to see his grandson playing ________．
- A.happy…happy
- B.happy…happily
- C.happily…happily
- D.happily…happy
B
be happy(happy为形容词)，play happily(动词play后面用副词)．
be happy(happy为形容词)，play happily(动词play后面用副词)．
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