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

It is desirable that the hotel manager remember to call the _______ staff every 6 months to clean up the air conditioners.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct arrangement of the sentences to make a meaningful paragraph/letter/conversation in each of the fallowing questions.

a. Please come to join the singing and dancing activities with us

b. Dear Hoa,We are having a birthday party for my little brother Nam this Saturday evening. My family and I would like to invite you to join us.

c. Of course there will be lots of food and drink such as cakes, candies and fruit juices.

d. The party will take place at 7 p.m. at my house

e. We plan to invite some of our friends that you've already known. This is an opportunity for all of us to meet each other for such a long time

f. I will be very happy if you can come, Ngoc. Please let me know whether you can come.Love,