Question

—My little daughter is coughing worse than ever.
—She__________to the hospital yesterday.

1. A.
   had to be taken
2. B.
   should have taken
3. C.
   must have been taken
4. D.
   ought to have been taken

Answer 1

D
ought to have done和should have done都可表示“本来应该做而没有做”;该题应使用被动语态,故D项正确。