单项选择题
She ought to stop work;she has a headache because she（）too long.
A.read B.had read C.is reading D.has been reading
单项选择题 A lorry（）Jane's cat and sped away.
单项选择题 It is not easy to learn English well, but if you（） you will succeed in the end.
单项选择题 The committee kept the results of the survey（）fearing a bad public reaction.
