Đáp án B
Tạm dịch: Tôi không biết là bạn đang ngủ. Nếu không, tôi đã không gây rất nhiều tiếng ồn khi tôi bước vào.
Tình huống xảy ra trong quá khứ: Không biết là bạn đang ngủ nên đã gây nhiều tiếng ồn. (Giống cấu trúc câu điều kiện 3: S + QKĐ. Otherwise, S + would (not) have + PP)
I am trying to find a ________ watch for my mother and a doll with ________ hair for my little sister.
If energy ______ inexpensive and unlimited, many things in the world would be different.
Hyolyn, the former main vocalist for the group SISTAR, has known for being one of the most well-rounded idols, being extremely good at singing, dacing and ________ .
A: Do you mind if we schedule the meeting for 11 o’clock?
B: Well, actually, I ________ earlier
On ________ he had won the scholarship to Harvard University, he jumped for joy.
She's certainly a ________writer; she has written quite a few books this year.
The couple were finally________ by the landlord after not paying rent for six months.