29. That school was built 30 years ago

30. Minh wishes he had a computer

31. They have learnt E for 4 year

32. My father used to smoke 3 years ago

33. I wish i were a doctor

34. Their grandmother is going to be visited on the weekend

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29. I wish i could speak E well

30. We began to learn E 5 years ago

31. Jeans are sold all over the world

32. Tom asked me if i went to school by bus

33. Nam gets the first prize at school, so his mother is happy

34. If you study hard, you will pass the exam

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1. The girl asked David if he lived near there

2. I wish my friend could go to the party

3. These boxes were opened by Joe last night

4. Alice didn't study well, so she failed the exam

29. That school was built 30 years ago

30. Minh wishes he could have a computer

31. They have learnt English for 4 years

32. My father used to smoke 

33. I wish I were a doctor

34. Their grandmother is going to be visited on the weekend

29. I wish I could speak English well

30. We began learning English 5 years ago

31. Jeans are sold all over the world

32. Tom asked me if I went to school by bus

33. Nam gets the first prize at school so his mother is happy

34. If you study hard, you will pass the exam

1. ... if David lived near there

2. ... my friends could go to the party

3. ... were opened by Joe last night

4. ... Alice didn't study well so she failed the exam