Choose the correct answer to complete the sentence
You ……………… a lot since the last time I saw you.
A. changed
B. has changed
C. is changing
D. have changed
Đáp án đúng: D
Dịch: Cậu đã thay đổi nhiều kể từ lần cuối tớ gặp cậu
He………. more concerned about his social status since he started working there.
Kathy …………….. for three different companies since graduating two years ago.