They ……………. skiing since they were 15.
A. have never gone
B. has gone never
C. has never gone
D. have gone never
Đáp án đúng: A
Dịch: Họ chưa bao giờ đi trượt tuyết kể từ khi họ 15 tuổi.
Choose the correct answer to complete the sentence
You ……………… a lot since the last time I saw you.
He………. more concerned about his social status since he started working there.
Kathy …………….. for three different companies since graduating two years ago.