-----What _____?-----I______my key and can't open the door. 
#104186
A
happened, lost
B
has happened, lost
C
happens, have lost
D
has happened, have lost
推荐题目
What do you guess our friend Bob          when we get to his home? 
#102249
A
does
B
would do
C
has been doing
D
will be doing
Two hundred miles ______ a long distance ______ in two hours even by a fast car. 
#102783
A
are, to cover
B
are, to be covered
C
is, to cover
D
is, to be covered