Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.

They will go to Nha Trang next month. They have booked the tour.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.
Before going to bed, Mrs. Mai usually read something or watches some programs on television.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.
I'm afraid he can’t answer the phone now because he does the laundry.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.
He watches a dance performance to celebrate Teacher’s Day now.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.
He really wants learning to play a musical instrument this summer.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.
All in all, doing housework helps bringing a lot of benefits for children; for example, teaching them life skills and building their character.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following sentence.
They have already decided on their next holiday. They will go on a guided tour of the country.