.---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
With more forests being destroyed, huge quantities of good earth      each year.
#102348
A
is washing away
B
is being washed away
C
are washing away
D
are being washed away
 I ______ the novel by the time you ______ back next week.
#104888
A
have finished, will come
B
shall have finished, come
C
shall be finished, are going to come
D
finish, come
Put on your coat! I        you down to the doctor.
#102202
A
take
B
am taking
C
took
D
have taken