Can it be ______ in a fast-changing world we don’t know what to teach our children today?
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
—Look, it ____ again. —Yeah. This is the third snow we ____ this spring.
All attentionon the beautiful girl, the boy didn’t notice the teacher enter the classroom.
Constant practice has erased my accent to a pointmany people think I’m a native speaker.
When he realized the police had seen him, the man ____ the exit as quickly as possible.