问题
选择题
.---Sorry, Mum. I’ve lost my pen again.
I_____it! You never remember to put your things away after using them.
A．knew
B．know
C．have known
D．will know
答案
答案：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。