-Hereallyworkedhardathisstudythismonth.   -Yes.That's

問題詳情：

-He really worked hard at his study this month.

    -Yes. That's_______ he did better in his maths test.

    A. because          B why                C. what              D. how

【回答】

B

知識點：相似 相近詞比較

題型：選擇題