[单元基础达标练]

Ⅰ.单句语法填空

1．Itwassometimebeforetheyworkedoutwhattheproblemwas.

2．Inthespecialclass，theyshowedlittleabilitytousetheirownjudgment，relying(rely)heavilyontheirteachersdirections.

3．Weplayedallourfreshstringintotheboyskitesandtheywentuphigherandhigher.