I did not understand what the lecturer was saying because I had not read his book.
A. What the lecturer wrote and said was too difficult for me to understand.
B. The lecturer's book which I had not read was difficult to understand.
C. I found it very difficult to understand what the lecturer said in his book.
D. I would have understood what the lecturer was saying if I had read his book.
Đáp án đúng: D
Dịch: Tớ sẽ hiểu giáo sư nói gì nếu mà tớ đã đọc quyển sách của anh ấy.
Even though it was raining heavily, the explorers decided to continue their journey.
Housewives do not have to spend a lot of time doing housework any more.
Because it was an interesting novel, I stayed up all night to finish it.
The hostess made every effort to see that her guests got the foods and drinks they wanted