1)I brush my................three times a day.(tooth)
2)they aren't..................free on Sundays.(always)
3)Hoi An is the.................town in Vietnam(cold)
4)The.............are doing exercises right now.(student)
5)Is it................cold in the winter?(usual)
6)The Mekong River is..................than the Red River.(long)
7)Nga always....................to school on weekdays.(go)
8)Tomorrow is Sunday.I.............the house work.(do)
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Sinh Học lớp 12
