C.
修饰动词play应当用副词,所以是playing happily.
而修饰人开心则应该用形容词,所以是happy.
Look,the children are playing____,they are always____.
Look,the children are playing____,they are always____.
A.happy happy
B.happily happily
C.happily happy
D.happy happily
A.happy happy
B.happily happily
C.happily happy
D.happy happily
英语人气：315 ℃时间：2019-08-18 02:12:18
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