——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 .
junk A. fuel B. product C. spoonful D. statue
