Question

1) Chon loi sai va sua:

a) This house has built  since   last month

b) Tom is consider   to be the best student in his class

c) Your question must answer  by an excellent student

Answer 1

a, has built->has been built

b, is consider->is considered

c, answer->be answered

Answer 2

a) has built -> has been built

b) consider -> considered

c) answer -> be answered