Điền vào chỗ trống các động từ tình thái can/can not, should/should not, must/must not
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1 was
2 doesn't
3 was
4 will
5 am - isn't
6 should
7 won't
8 do
9 could
10 would - could - can't
1 Could
2 should
3 ought to
4 had better
5 will
6 could
7 would
8 will
9 Can
10 would
11 must
12 may
1. should not
2. mustn't
3. can
4. should
5. should
6. can- must
7. can - can't - shouldn't
8. should
EXERCISE 3 : BỊ ĐỘNG VỚI NHỮNG ĐỘNG TỪ KHUYẾT THIẾU .
1. You should open the wine about three hours before you use it.
-> The wine should be opened about three hours before you use it2. You must not hammer nails into the walls without permission.
-> Nails mustn't be hammered into the walls without permission
3. People must not leave bicycles in the hall.
-> Bicycles mustn't be left in the hall
4. Members can keep books for three weeks.
-> Books can be kept for three weeks
5. People should send their complaints to the main office.
-> Their complaints should be sent to the main office
6. You must turn off all the switches before leaving the room.
-> All the switches must be turned off before leaving the room
7. You must make an appointment in advance .
-> An appointment must be made in advance
8. Someone might steal the car .
-> the car might be stolen
9. you must keep the room tidy .
-> the room must be kept tidy
10. They can’t solve the problem .
-> the problem can't be solved by them
11. We can’t restore the picture.
-> The picture can't be restored by us
1.The wine should be opened about three hours before it is used.
2.Nails must not be hammered into the walls without permission.
3.Bicycles must not left in the hall.
4.Books can be kept by members for three weeks.
5.Their complaints should be sent to the main office.
6.All the witches must be turned off before leaving the room.
7.An appointment must be made in advance.
8.The car might be stolen.
9.The room must be kept tidy.
10.The problem can't be solved.
11.The picture can't be restored.
1. should not
2. mustn't
3. can
4. should
5. should
6. can- must
7. can - can't - shouldn't
8. should