Thegirllookssohappy.She　　　　abouttheresultofherperforman...

問題詳情：

The girl looks so happy. She　　　　about the result of her performance.

ld have known                                   d have known

d have known                                     have known

【回答】

D

知識點：虛擬語氣與情態動詞

題型：選擇題