Question

【题目】He failed his maths examinations ________his careless work

A. because of B. because

C. thanks for D. as a result

Answer 1

【答案】A

【解析】

考查固定短语辨析。句意：因为他粗心的行为，他数学考试不及格。A. because of因为； B. because因为；C. thanks for多亏；D. as a result结果，because of接成分，because后面接句子，故选A。