來源:網(wǎng)絡(luò)整理 2026-01-12 22:43:23
My sister _______ TV when the earthquake happened.
A. watches B. watched C. is watching D. was watching
答案:D
解析:when引導(dǎo)的時(shí)間狀語從句,從句用一般過去時(shí)happened,主句表示“過去某個(gè)時(shí)刻正在做的事”,用過去進(jìn)行時(shí)was watching。
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