問題文全文(内容文)：
『高校英文法14日間完成　効率特化型問題集 Agile 300』という問題集のChapter1英文法力診断テストの解説をしています。

問題文全文(内容文)：
英文中に出てくる「コロン」ですが、どのような役割があるのでしょうか？

目的別に使い方を紹介します！

問題文全文(内容文)：
たった１文で理解できる「受動態の本質」について説明しています。

問題文全文(内容文)：
冠詞の「a」と「the」の違いを解説します。

物をイメージして、状況別に適切な表現を使えるようになりましょう！

問題文全文(内容文)：
次の英文1~10の空所に入れるのに最も適切な語句を(a)~(b)から1つ選び、その記号をマークしなさい。

1.( ) by a billion people, English is definitely a global language.
(a) Having been speaking
(b) Having spoken
(c) Speaking
(d) Spoken

2. Ramadan is the ninth month of the Islamic lunar calendar, and Muslims ()it
as the month in which the Qur'an was revealed to the prophet Muhammad.
(a) celebrate
(b) cement
(c) contract
(d) cooperate

3. My brother is ( ) the two people we can see in front of the store.
(a) tall in
(b) tallest between
(c) the taller of
(d) the tallest from

4 .You look very tired today. You ( ) up until late last night.
(a) couldn't have stayed
(b) might have to stay
(c) shouldn't have stayed
(d) would like to stay

5. It would be () to follow the advice of your teacher on choosing a topic for your final report.
(a) glad
(b) mean
(c) sensible
(d) urgent

6. Scientists say we now have the most precise information ( ) on the deepest points in each of Earth's five oceans.
(a) still
(b) until
(c) while
(d) yet