填空题 Convert the following informal email into a formal one by changing the underlined words. Use the words in the box to help you (in most cases you will need to use other words too).
contact do not soon prefer sincerely
grateful will currently meantime apologise
my apologies send
Dear Ms Doyle
{{U}}Thanks{{/U}} Thank you for your email. {{U}} {{U}} 11 {{/U}} {{/U}}{{U}}I'm sorry{{/U}} for the delay in sending you the T-shirt that you ordered. {{U}} {{U}} 12 {{/U}} {{/U}}{{U}}At the moment{{/U}}, we {{U}} {{U}} 13 {{/U}} {{/U}}{{U}}don't{{/U}} have the medium size you asked for in stock. We hope to have delivery of these on Friday. {{U}} {{U}} 14 {{/U}} {{/U}}{{U}}The moment{{/U}} they arrive, {{U}} {{U}} 15 {{/U}} {{/U}}{{U}}I'll{{/U}} {{U}} {{U}} 16 {{/U}} {{/U}}{{U}}get{{/U}} one out to you by first class post. Or, if {{U}} {{U}} 17 {{/U}} {{/U}}{{U}}it's better for you{{/U}}, I can send you either a small or large T-shirt of the same design immediately. If this is the case, {{U}} {{U}} 18 {{/U}} {{/U}}{{U}}please{{/U}} {{U}} {{U}} 19 {{/U}} {{/U}}{{U}}get in touch{{/U}} and let me know. {{U}} {{U}} 20 {{/U}} {{/U}}{{U}}For now{{/U}}, I will try to get the medium size in as soon as possible.
{{U}} {{U}} 21 {{/U}} {{/U}}{{U}}Sorry{{/U}} once again.
{{U}} {{U}} 22 {{/U}} {{/U}}{{U}}Best wishes{{/U}}
Gareth Evans