This type of bamboo grows very fast and it will take only three to five years _____ it can be used in various fields .
In the dark street, there wasn’t a single person ___ she could turn for help.
___ this book and tell me what you think of it.
He decided to visit the family ___ Friday night.
Are you paying now, or shall I ______ to you?
Please drop _______ my home when you are free.