Morrie was in good mood because last night he enjoyed the performance of a local acappella group.
                    举一反三
- He had some trouble _____ asleep last night because of his headache.
 - It was because of his good performance at the interview ____ he got the job with the big company.
 - He went to the dance last night but couldn't find a _______ because of his strange clothes.
 - It was because of his good performance ______ he got the promotion. A: so B: that C: what D: while
 - He is very tired. He needs ______. A: a good night rest B: good rest of a night C: a good rest night D: a good night’s rest
 
