Mr.Black's daughter _____the machine over there .She wants to______how to works.a.looks at ,findb.is watching ,find outc.is looking for ,knowd.finds ,look out
问题描述：
Mr.Black's daughter _____the machine over there .She wants to______how to works.
a.looks at ,find
b.is watching ,find out
c.is looking for ,know
d.finds ,look out
答
B watch 观察 find out 查明
加油！
答
B
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