Question

---Sorry, Mum. I’ve lost my pen again.
---I_____it! You never remember to put your things away after using them

1. A.
   knew 　　
2. B.
   know
3. C.
   have known 　　
4. D.
   will know

Answer 1

A
考查时态。句意：抱歉，妈妈。我又丢了我的钢笔。——我知道了。你永远记不住在用完东西后把他们放好。结合语境可知前文描述的是过去发生的动作，故用一般过去时态。选A。