19.There are forty students in my class.
(5 Điểm)
20.People shouldn't throw the garbage everywhere.
(5 Điểm)
21.Would you like to donate old clothes for charity?
(5 Điểm)
22.Why don't we take a bus to the countryside?
(5 Điểm)
23.Some schools will use solar panels to save energy next year.
(5 Điểm)
24.We can reuse plastic bags, plastic bottles and cans to save power.
(5 Điểm)
Loga
Sinh Học lớp 12
