YOU SHOULD………….YOUR HANDS AFTER MEALS. (TO WASH/ WASH/ WASHES/ WAS...

29. - BÀI GIẢNG KT TRAC NGHIEM ANH (45'''')
BÀI GIẢNG KT TRAC NGHIEM ANH (45'''')

29. You should………….your hands after meals. (to wash/ wash/ washes/ washing)

30……….did she go to the dentist last week? (What/ Where/ Why/ When)