______ the blind wandering through the traffic, motorists would have to step on their brakes at once.
In our school only teachers are allowed to use this room. And only in this room __ find some good dictionaries.
My friend, Tom, bought __ oar.
Please come here ___ four days.
“Mom, I am full.I can’t eat any ___.”
Don’t be afraid ___ mistakes when you speak English.