I sight of an empty seat at the back of the bus and went directly there.
. Peter must be ill. It’s the only thing that can _________ his strange behavior.
He was hit by a falling tree that night and killed ____________.
---- Excuse me, Madam. I wonder if this bus goes to the East Lake? ---- ___________. You should take Bus No. 521.
Unless you work as hard as you can, you won’t ______ your classmates.
Don’t eat too much chocolate, or you can ______ weight quickly.