A:①②③
B:②③④
C:①③④
D:①②④
—Well.________ you hadn't wasted so much time playing online games.
看拼音写汉字
duàn
chǔ
gū
fān
____层
清____
____单
____船
64-6____64-60+6 75-72____75-27+8
20+8+13____20+(8+13) 96-70____16+70