-----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
He told us he _______a concert________.
#102952
A
had attended;three days before
B
attended;a week ago
C
would attend;since a week ago
D
was attending;for a week
 —why don’t we choose that road to save time?  —The bridge to it         
#102313
A
is being repaired
B
is repaired
C
has repaired
D
will be repaired