2、图,用所给动词的过去式补全短语。(16分)walk live eat run 1.________millionsofyearsago2.________fast3.________slowly4.________grass/plants/meat阅读·理解练四、阅读短文,判断对(√)错(×)。(20分)LastSunday,wehadsocialstudies.MissLitoldusaboutsomeinterestinganimals.Theseanimalsarecalleddinosaurs.Theywerehugeanim