`IV,``A.`

`21. F `

`22. T`

`B.``23.⇒` It is on an island in New York.

`24.⇒` No, it isn't.

`25.⇒` It completed in 1884.

`26.⇒` Tourists can visit The Statue from 9.30 am to 5 pm.

`V,``27.⇒` It is dangerous to swim in this river.

`28.⇒ `My father asked me where I would go the following day.

`29.⇒ `Lan spends 3 hours doing her homework each day.

`30.⇒ `The last time she visited me was 5 months ago.

`31.⇒ `Do you mind if I close the door?

`32.⇒ `Presents are wrapped colored paper and put under the tree in Christmas.

`VI,``33.⇒` The awful weather prevented us from going for a picnic.

`34.⇒` Nam is the tallest in my school.

IV.

A/

21. F → China → America

22. T

B/

23. It is on an island in New York.

24. No, it isn't.

25. It completed in 1884.

26. Tourists can visit The Statue from 9.30 am to 5 pm.

V.

27. It is dangerous to swim in this river.

28. My father asked me where I would go the following day.

29. Lan spends 3 hours doing her homework each day.

30. The last time she visited me was 5 months ago.

31. Do you mind if I close the door?

32. Presents are wrapped colored paper and put under the tree in Christmas.

VI.

33. The awful weather prevented us from going for a picnic.

→ S + prevent + O from V-ing.

34. Nam is the tallest in my school.