A.on | B.for | C.in | D.with |
A.wash | B.to wash | C.washing | D.washes |
A. Shall we put it at the school gate? B. When’s Earth Day? C. I’m making a poster. D. Because Earth Day is coming. E. Is it popular in China? |
A.many; should | B.much; should | C.many; shouldn’t | D.much; shouldn’t |
A.clean | B.to cleaning | C.cleaning | D.cleans |
A.energy | B.energies | C.water | D.tree |