giải giúp mik
 
----- Nội dung dịch tự động từ ảnh -----
2. Chia đông từ thì QKĐ hoặc HTHT:
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
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 (had) a little trouble with my car last week.
10) However, I (have) no trouble with my car since then.
program before.