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1. I have been in Mexico during the summer of 1970
(F) have been -> was
2. Mary had prepared dinner when I arrived, so we were able to eat immediately
(T)
3. Three years ago he had been a student at a university in California
(F) had been->was
4. We have collected stamps for many years
(T)
5. We took the bus downtown, did a few errands, and had gone to lunch
(F) had gone->went
6. Since he bought a new car, he has been driving to work every day
(T)
7. Last night they have recognized us from the party we went to earlier in the week
(F) have recognized -> recognized
8. Since Ted graduated, he has been working with his father
(T)
9. The doctor had seen ten patients since eight o’clock this morning
(F) had seen->has seen
10. He is studying English for the last five years
(F) is studying-> has studied
1 T
2 T
3 F->He has been a student at a university in California
4 T
5 T
6 F->Since he got a new car, he has been driven to work every day
7 F->Last night the recognized us from the party we went to in the early week
8 T
9 T
10 F->He has learnt English for five years
câu điều kiện
1. if you__found_(find) a wallet in the street what would you do with it ?
2.I__helped___(help) you if i could, but i'm a of said i can't
3.should i see him later,i_will give__(give) your message
4.were i your age, i__would do__(do) things differently
5.i must hurry my friend__will be__(be) annoyed if i___am not__(not/be)on time
6.if i_were__(be) you , i_would not go__(not/go) to that football watch
7.if the phone__rings__(ring),can you answer it ?
8.i think there are many cars, if there _weren't__(not/be) so many cars,there__wouldn't be_(not/be) so much pollution
9.i am not an astronaut if i_were__(be) can astronaut,i___would take__(take)my camera with me on the rocket ship next month
1 rang => ring
2 complained => to complain
3 was => were
4 don't => bỏ
5 live => to live
6 will reduce => reduce
7 Unless => if
8 would => will
9 am > were
10 in => out
1 smoke => smoked
2 because => so
3 is => are
4 would she => she would
5 fluent => as fluently
6 had => were having
differently -> different
differently đúng nha....