Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

I think you ____ do exercise regularly in order to keep your body in good shape.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Those audiences ____ show their tickets before entering the concert hall.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

I will lend you some money, but you ____ pay it back to me next week.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Hoa ____ feed the cats because her mother has done it already.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Four generations living in the same roof will have different ____ of lifestyle.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

This warning sign indicates that you ____ step on the grass.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

You ____ finish your homework before you go to bed.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

I live in a/an ____ with my parents and my elder sister in the coastal area.