3.Robots will do most of the housework, ____ we will have more time for our family.
A.so
B.but
C.although
D.if
4.We should have recycling bins in each classroom for ____ things. *
A.use
A.reuse
C.reused
D.reusable
5.If we plant more trees, the ____ will be greener.
A.neighbor
B.soil
C.air
D.neighbourhood
Loga
Sinh Học lớp 12
