さあ今回は長めのPart 6をチャレンジしてみましょう！
From:  Beatrix Soros
To: Natalie Moore
Date: April 5
Subject: Order No. 5148

Dear Ms. Moore,

Thank you for your email  (1)  your order of a green cotton sweater.

According to your detailed  (2)  , you ordered a sweater in size 15 but when it arrived, you discovered it was size 16. We apologize for that error.

We are happy to refund the cost of the sweater and pay for return shipping costs. Please  (3)  your account after four business days, as a total of 40 dollars will have been credited to your account by that time.

We hope your experience will not stop you from shopping with us again.

Sincerely,
Beatrix Soros
Customer Service Representative

さあ答えをここから選んでみましょ！

1.
(A) regarding
(B) regarded
(C) will regard
(D) regard

2.
(A) allowance
(B) explanation
(C) permission
(D) prevention

3.
(A) close
(B) pay
(C) invoice
(D) check

どうですか？正解はまた一週間後発表します！