how she was helping to save the environment, she said that she always takes
public transportation.
A. To be asked B. Asking C. Being asked D. Asked
——What about lesson this morning?
——A piece of cake；it was too easy lesson for me.
A. the；the B. a；a C. a；the D. the；a
mankind A. machine B. bank C. rank D. language
master A. perfect B. prisoner C. servant D. merchant
dead A. eager B. great C. least D. health
safety A. Asia B. season C. base D. usual .
