Identify and choose one underlined word or phrase that is incorrect

Identify and choose one underlined word or phrase that is incorrect

26. I think we should taking a shower instead of a bath to save energy.

A. instead of                B. to save                          C. think                         D. taking.

27. He met many friends which encouraged him in his work.

A. him                         B. which                            C. met                           D. his work.

28.Although my sister was tired, but she helped me with my homework.

A. but                          B. was                                C. Although                 D. with.