A.Shall we put it at the school gate? |
B.I'm reading a book about Earth Day. |
C.When's Earth Day? |
D.I'm making a poster. |
E.Because Earth Day is coming. |
F.Is it popular in China? |
A.Good idea! | B.It's a pity. | C.That's too bad. |
A.student | B.students | C.a student |
A.do | B.did | C.are doing |
A.waste | B.wastes | C.wasted |
A.use | B.useful | C.used |