问题
The young mother kept ______ the house with three children in it , because she wanted to keep it ______.
A:cleaning; clean
B:cleaning; cleaning
C:clean; clean
D:clean; cleaning;
B:cleaning; cleaning
C:clean; clean
D:clean; cleaning;
正确答案是：
同类题型
If the manager had to choose between the two, he would say John was ＿＿＿＿＿choice.
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