•2. Chia các động từ trong ngoặc ra thì quá khứ đơn hoặc hiện tại hoàn thành.•1) We (study)...............a very hard lesson the day before yesterday.•2) We (study)...........................almost every lesson in this book so far•3) We (never watch).......................that television program before.•4) We (watch).....................an interesting program on television last night.•5) My wife and I..............................(travel) by air many times in the past•6) My...
Đọc tiếp
•2. Chia các động từ trong ngoặc ra thì quá khứ đơn hoặc hiện tại hoàn thành.•1) We (study)...............a very hard lesson the day before yesterday.•2) We (study)...........................almost every lesson in this book so far•3) We (never watch).......................that television program before.•4) We (watch).....................an interesting program on television last night.•5) My wife and I..............................(travel) by air many times in the past•6) My wife and I (travel)..................... to Mexico by air last summer•7) I (read)..................that novel by Hemingway sevaral times before.•8) I (read)..................that novel again during my last vacation.•9) I (have)......................a little trouble with my car last week.
•10) However, I (have).................. no trouble with my car since then.
1 studied
2 have studied
3 have never watched
4 watched
5 travelled
6 travelled
7 have read
8 read
9 have
10 have had
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