Question is too broad.
Spring break is different times in different areas. It may or may not be next week.
Wednesday in 2012
I can tell you it next week
The expression by next week means before the next week starts. The expression within the next week means during the coming 6-7 days.
The proper way to say it is next week's interview. It has to be possessive. Example: You need to be prepared for next week's interview.
is next week June 4th
36 dollars
No, if it was just during the week than just re-do the changes that you made. It should not be a big problem doing a restore is like setting your computer back in time. Next time get anti-virus if you want to stay protected.
It depends on the quantity injected and how many times. Mostly no.
IS
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No, "announced next week" is not a gerund phrase. A gerund phrase consists of a gerund (a verb ending in -ing used as a noun) and its modifiers. In this case, "announced" is a verb acting in the past participle form, not a gerund.