Answer:
Here are the completed sentences: A) I have been an English student for nine years. B) Meggie and Jenny have known each other since middle school. C) The patient has waited for the doctor since 7 o’clock. D) The children haven’t eaten since they left school. E) Have you lived here for many years? F) How long has it been since your parents got married? G) George has traveled abroad for months.
Step-by-step explanation:
The word “for” is used to indicate a duration of time. The word “since” is used to indicate a specific point in time from which something started