The Pinebrook Inn has a courtesy bus which runs every thirty minute both to and from the downtown area.

Câu hỏi :

The Pinebrook Inn has a courtesy bus which runs every thirty minute both to and from the downtown area.

A. has

B. which

C. everything thirty minute

D. to and from

* Đáp án

C

* Hướng dẫn giải

Đáp án C

Sau “minute” phải có “s” vì thirty (=30) là số nhiều. Every thirty minutes = cứ 30 phút một lần

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