Đáp án C
Giải thích: dùng thì hiện tại hoàn thành vì vế sau có since + quá khứ đơn
Dịch: Ann và Susan quen nhau từ khi họ còn đi học.
Choose the underlined part that needs correction in the following questions.
When Peter came to my house, I did my homework last night.
Choose the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
My son went to bed ________ he had done his homework.
Choose the word(s) OPPOSITE in meaning to the underlined word(s) the following questions.
The majority of Asian students reject the American view that marriage is a partnership of equals.