A.He stirs the ice cream.
B.He lets the ice cream warm up.
C.He examines the colour of the ice cream.
D.He tastes the flavor of the ice cream.
A.One must read books in a critical way.
B.A student should not have a complicated idea.
C.It was impossible for one to read two thousand books.
D.Students ought to make a list of the books they had read.