国开大学商务英语1-6答案(12)

; worried

; worry

标准答案：worrying

题目28：— Sally, could you lend me your calculator Mine is not working.

—

: It doesn’t mat ter.

; Sure, why do you need it

; No, I can’t.

标准答案：Sure, why do you need it

题目29：— What if he still doesn't pay up

—

: I have already done that.

; If it's a small amount we write it off as bad debt. For larger sums we…

; I've got to hurry.

标准答案：If it's a small amount we write it off as bad debt. For larger sums we…

题目30：We are usually very prompt settling your accounts.

: at

; on

; in

标准答案：in

题目31：A week ago, I sent him a statement the amount overdue.

: show

; showed