问题
选择题
—"Oh, terrible! I forgot _____ the window. It's windy."
－"Really? Let's go back home quickly." [ ]
A. closing
B. to close
C. closed
D. close
答案
答案：B
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—"Oh, terrible! I forgot _____ the window. It's windy."
－"Really? Let's go back home quickly." [ ]
A. closing
B. to close
C. closed
D. close
答案：B