believe in those ads that you canmaster a language in one month. Instead, it is a _______process, which maylast for years.

John is the tallest boy in the class,______ according to himself.[ ]

Mostofthemistakes____becauseofcarelessness.

_______ can be good at something for 40 years if hedoesn’t love it

The plan has to be _______ to meet the real situation.