一You’ve made great progress in your survey, haven’t you?——Yes,but some problems among the youngsters still remain——.
—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.
—I’ve decided to quit this job, but I’m afraid I won’t be able to find a better one. —. You never know until you try.