12. My grandparents make ___________ a rule to keep early hours.
(A) it
(B) this
(C) that
(D) what

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統計： A(35), B(3), C(6), D(1), E(0) #1909733

詳解 (共 1 筆)

Sour

B1 · 2020/01/07

#3734799

make it a rule to......

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