Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges
A lot needs (A) be done (B) to the house before (C) anyone can start living (D) in.
A. needs
B. be done
C. before
D. start living
Đáp án B
Câu bị động với động từ (need): need to be done = need doing (be done = to be done / doing)