Dear Mr/Mrs _____,
I am writing to you about my concern for the noise that is being made in the school, and how it is disrupting me and others’ ability to work.
It would be sincerely appreciated if you could take this issue into regards, and talk to the people concerning the disruption.
Sincerely, _____,
Year ___.
<span>It is either past perfect tense or pat progressive.
Example:
past perfect--- I had cooked when they brought the food.
past progressive---I was cooking when they brought the food.
Had cooked is past perfect, and was cooking is past progressive. Had cooked indicates cooking was finished, and wascooking indicates it was going on or in progress when something else happened (in the simple past).</span>
the answer is b. 15 minutes
you should at least read for half of 30 minutes which is half an hour
hope I helped
:D