來(lái)源:網(wǎng)絡(luò)來(lái)源 作者:中考網(wǎng)編輯 2021-03-24 14:20:27
中考網(wǎng)整理了關(guān)于2021中考英語(yǔ)過(guò)去完成時(shí)專項(xiàng)練習(xí)題(五),希望對(duì)同學(xué)們有所幫助,僅供參考。
Catherine ______ the letter before her mother came into her bedroom.
A. had written
B. was written
C. has written
D. is writing
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