.---David. I’ve lost my keys again. ---Here, not again!You______ your keys.
#103868
A
always lost
B
always lose
C
are always losing
D
had been losing
推荐题目
 Give me an undisturbed hour and I ________ the work Tom has left unfinished.
#99213
A
see to
B
will see to
C
would be seeing to
D
have seen to
You can’t imagine the difficulty he _____ onto the cliff and saving the boy in trouble. 
#103306
A
had to climb
B
had climbed
C
had climbing
D
had on climbing