连词成句.（可加词改时态）1.after began he clean do homework his house had2.catch I in maple kingbird sight tree of3.if work hard this pass I semester would pass have exam4.both were they middle of height 5.he at per two miles hour hundred drive
问题描述：
连词成句.（可加词改时态）
1.after began he clean do homework his house had
2.catch I in maple kingbird sight tree of
3.if work hard this pass I semester would pass have exam
4.both were they middle of height
5.he at per two miles hour hundred drive
答
1.after began he clean do homework his house hadHe began to clean the house after he had done his homework.2.catch I in maple kingbird sight tree ofI catch the sight of a kindbird singing in the maple...