题目内容

Use Wi-Fi connections to download new apps and music if possible.

A. 对
B. 错

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Identify the letterof the choice that best matches the phrase or definition.

Do you think a vicious circle is __________?

A. easy
B. difficult to get out of

If one thing predates another, does it appear ____________ it?

A. before
B. after

If the competition is ferocious, is selling something __________?

A. hard
B. simple