Question

Oh, Janne, you’ve broken another glass. You ought ＿＿＿＿when you washed it.

1. A.
   be careful
2. B.
   to care
3. C.
   have cared
4. D.
   to have been careful

Answer 1

D
should／ought to have done表示“本來應(yīng)該做的事而事實(shí)上并未做”。根據(jù)上下文，句中省去了seen her。