John ……………. for three tests this month.
A. sat
B. have sat
C. has sat
D. is sitting
Giải bởi Vietjack
Đáp án đúng: C
Dịch: John đã ngồi làm ba bài kiểm tra tháng này.
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.
