单项选择题
– What's happened to Tom? -- （）to hospital.
A.He’s been taken B.He’ll be taken C.He’s taken
单项选择题 Mary forgot（）a letter to her mother, so she wrote to her just now.
单项选择题 He is the man（）dog bit me.
单项选择题 Before she left on the trip, she（）hard.
