Pick out the letter A, B, C, or D to indicate the underlined part that needs corrrections in each of the following questions. Question 1: While the (A) Brows were (B) away (C) on holiday, their house was broke into (D).->broken into(ở vế sau có their house-vật làm cn nên chia bị động:S+be+Vpp)

Question 2: Difference (A) conversation efforts have been made (B) in order to saving (C) endangered species (D).

->different(đằng trc danh từ-ở đây là conversation thì là tính từ,difference là danh từ->sai)

3: There have been (A) a report of several (B) bombings (C) by terrorist (D) group->has been(a report là số ít)

1. D-> broken into 

-Bị động thì quá khứ đơn: was/were + PII.

2. C-> save 

- in order + to V: để làm gì.

3. A-> has been

- Động từ chia theo "a report"