If it ________ for the heavy rain then, we would have arrived here ahead of time.
There is no _____ that they did a good job, or they should get an award.
Only then did I realize that it was foolish to ___ my friends and never contact them.
They might just have a place ___ on the writing course ---- why don’t you give it a try?
Most of these groups _______ teachers and graduate students, but some freshmen join as well.
If _______ to look after luggage for someone else, inform the police at once.