题目内容
The clever boy made a hole in the wall, _______ he could see ______ was going on inside the house.
| A.which;what | B.throughwhich;what |
| C.throughthat;what | D.what;that |
B
略
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题目内容
| A.which;what | B.throughwhich;what |
| C.throughthat;what | D.what;that |