.---Sorry, Mum. I’ve lost my pen again.I_____it! You never remember to put your things away after using them.
#103679
A
knew   
B
know
C
have known   
D
will know
推荐题目
 Tony ______ his homework this morning before he went to school.
#102974
A
has done
B
did
C
has done
D
will do
It was the boy who_______ for the fight with his brother.
#103141
A
was to blame
B
was blaming
C
was to be blamed
D
blamed