revision, units 16 to 19

we apologise___the mistakes

• in
• for
• to

will reach you___scheduled

• as
• with
• on

we are dissatisfied____the goods supplied

• with
• by
• of

the items will be sent___agreed

• as
• to
• from

referred___as

• to
• with
• in

___the basis of an invoice

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• on

we thank you____advance

• in
• for
• of

according___the contract

• as
• to
• with

due___unforseen circumstances

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• by
• of

will be charged___interest

• with
• for
• in