33. My mother made this cake yesterday. => This cake .... 34. Lan can't go with us because she has so much homework to do. => If.... 35. "What aspect of learning English do the students find most difficult?" The teacher asked me. => The teacher asked me ... 36. My friend began to collect stamps in 2005. > My friend has... ××× 1. He built that house last year. =>That house.... 2. "Do you want to have some cold drink, Lan?" asked Ba > Ba asked.... 3. Because I don't have a pencil, I can't draw a picture. -> If .... 4. My elder brother began learning English 3 years ago. =>My elder brother.... Help meeeeeee làm nhanh giùm em với em phải nộp cho thầy luôn

33. My mother made this cake yesterday.

⇒ This cake was made by my mother yesterday

34. Lan can't go with us because she has so much homework to do.

⇒ If Lan didn't have so much homework to do, she could go with us

35. "What aspect of learning English do the students find most difficult?" The teacher asked me.

⇒ The teacher asked me what aspect of learning English the students found most difficult

36. My friend began to collect stamps in 2005.

⇒ My friend has collected stamps since 2005

x x x x x x x

1. He built that house last year.

⇒ That house was built ( by him ) last year

2. "Do you want to have some cold drink, Lan?" asked Ba

⇒ Ba asked Lan if she wanted to have some cold drink

3. Because I don't have a pencil, I can't draw a picture.

⇒ If I had a pencil, I could draw a picture

4. My elder brother began learning English 3 years ago

⇒ My elder brother has learned English for 3 years