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I’ve come up with different expressions for the blank. Are they all equally good?

TV sometimes outdoes books. For example, what a foreign country like is easier to understand ( ) TV.

A) on

B) by way of

C) by means of

D) if you watch

E) by watching

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Yes


. . . what a foreign country is like . . .

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teacherJapanAre they all equally good?

No.

To me, ( E) is the best. The sentence has grammatical problems, too.

What a foreign country is like is easier to understand by watching documentaries about it on TV.