问题
选择题
I didn't know _____ you were getting on well with your work.
A．because
B．how
C．that
D．which
答案
答案：C
从句中有well一词,句意已经完整,所以选C.
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I didn't know _____ you were getting on well with your work.
A．because
B．how
C．that
D．which
答案：C
从句中有well一词,句意已经完整,所以选C.