423.Ouch! You hurt me!
I am sorry. But I _____ any harm. I ____ to drive a rat out.
A.didn't mean;tried
B.don't mean;am trying
C.haven't meant;tried
D.didn't mean;was trying
424.As the years passed, many occasions—birthdays, awards, graduations — ______ with Dad's flowers.
A.are marked
B.were marked
C.have marked
D.had marked
423.答案是D;由语境可知第一空用didn't mean,表示刚才并非故意的;第二空表示当时正在进行的动作。
424.答案是B;as从句用一般过去时态，主从句时态应一致。
