(A) Unfortunately

(B) Luckily

(C) In addition

(D) Moreover

2. Question 2

(A) announce

(B) inform

(C) say

(D) note

3. Question 3

(A) We could backdate the order for 2 weeks.

(B) And it can be shipped immediately.

(C) Please contact our customer service team for the contract.

(D) If you wish to take this one, you should collect it at our store.

4. Question 4

(A) referenced

(B) referencing

(C) reference

(D) having referenced