Tomdidn’tgohikingwithhisclassmates

問題詳情：

Tom didn’t go hiking with his classmates ____ his illness.

            A. because                B. because of              C. as                            D. since

【回答】

B    A、C、D都可用來引導原因狀語從句，後面跟句子；because of後跟表原因的名詞*短語。故選B。

知識點：連詞

題型：選擇題