1.The waiter refilled my glass
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2.My secretary will notify you next week
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3.Is a student pilot flying that airplane
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4.Alan 's knowledge about art doesn't impress me.
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5.People throw away billions of cans every year all over the world.
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12.The librarian didn't allow Tom to take those books home
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13.The teachers won't teach knowledge on recycling tomorrow.
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14.Hoi An attracts a lot of tourists
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15.Did all students attend first-aid course last year
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16.Farmer can milk cows twice a day.
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1.The waiter refilled my glass
- My glass was refilled by the waiter
2.My secretary will notify you next week
- You will be notified by my secretary next week
3.Is a student pilot flying that airplane
- Is that airplance being flown by a student pilot?
4.Alan 's knowledge about art doesn't impress me.
- I am not impressed by Alan's knowledge about art
5.People throw away billions of cans every year all over the world.
- Billions of cans are thrown every year all over the world
12.The librarian didn't allow Tom to take those books home
- Tom wasn't allowed to take those books home by the librarian
13.The teachers won't teach knowledge on recycling tomorrow.
- Knowledge on recycling won't be taught by the teachers tomorrow
14.Hoi An attracts a lot of tourists
- A lot of tourists are attracted by Hoi An
15.Did all students attend first-aid course last year
- Was the first-aid course attended last year by all students ?
16.Farmer can milk cows twice a day.
- Cows can be milked twice a day by farmer
