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