I forgot to feed my cat Palias this morning; __(39)__, by the time I got home from work, she __(40)__ over the trash and scattered papers and coffee ground all over the kitchen. 第 40 格應填入：
Ahas knocked
Bhad knocked正確答案
Cknocked
Dis knocking
答案與詳解
為什麼答案是 B
had knocked 是過去完成式，表示在我下班回到家之前，貓已經打翻垃圾並弄得到處都是。
載入中…
