Answer:
first time I knew she was missing was in the morning,I called her to come down stairs for the breakfast but I got no reply, after that I went upstairs to check on her and of course I found no one except a letter written by her saying that she had enough and it's the Time for her be independent,I called her phone number but I had hi answer .
I hope the police will more than great to find my sister.
The sentence needs commas because the participial phrase is essential.
Seriously?
Independent
"the cheetah darted away"
"he ran into the trees"
"it's funny"
Dependent
"before we knew it"
"after we scared him"
"because he scared me"
