There are about seven ____ students in Grade Eight in Chezhan Middle School.A.hundred B hundreds C hundred of D hundreds of
That traffic accident happened ______ a snowy afternoon.
This song reminds me ______an experience I once had in the countryside.
It used to be very quiet and ______ ever happened around here.
He hurried back home _________ his schoolbag.
When he saw a wallet on the ground, he ________at once.