36. If I know the answer, so I can’t tell you.

37. I have a friend whose mum is a volunteer worker.

38. The rescue operation which was arranged by a charity organisation was a success.

39. If I were you, I would have nutrious food for breakfast instead of fast food.

40. It won't take a lot of time to cook this dish if you learn recipe for advance 

#NOCOPY

Rewrite the following sentences without changing the meaning, using the word given
36 I don’t know the answer, so I can’t tell you.                     (conditional sentences)
 
Combine each pair of sentences, using the words / phrases in brackets. Don't change the given words / phrases.
37 I have a friend. Her mum is a volunteer worker.                                            (whose)
 => i've a friend whose mum is a volunteer worker
38 The rescue operation was arranged by a charity organisation. It was a success. (which)
 => the rescue operation which was arranged by a charity organisation was a success
Complete each of the following sentences with the words or phrases given
39 If/ I/ be/ you/ I/ have/ nutritious food/ breakfast/ instead/ fast food.
 => if i were you, i would have nutritious food breakfast instead of ( thay vì ) fast food 
40 It/ not/ take/ lot/ time/ this/ cook/ dish/ if/ you/ learn/ recipe/ advance.
 => it won't take a lot of time to cook this dish if you learn the recipe in advance