综合演练
(并列句和状语从句)
My classmate Michael studied very hard__1__he went to senior school.Every day he worked__2__everyone else in my class left the classroom.He said he wouldn't stop trying__3__he got satisfying scores in his studies.Hard__4__he tried，he made little progress，but he didn't lose heart at all__5__he believed as long as he persisted he would succeed one day.
