A. The password may be forgotten. (bị động)
C. We have not met for a long time.
B. My car is not as expensive as yours.
B. If I didn’t have a bad cold, I could go swimming today. (câu ĐK loại 2)
B. Even though it rained, a lot of people came to the concert. (Even though = Although)
B. She wanted to know what I was going to do that weekend. (Câu gián tiếp)