—You were out when I dropped in at your house.—Oh,I    for a friend from England at the airport.
#103955
A
was waiting
B
had waited
C
am waiting
D
have waited
推荐题目
Up to now, large quantities of food ____ to Africa to save the starving people.
#102504
A
is sent
B
has been sent
C
have been sent
D
are sent
 I have to see the doctor this afternoon because I ____ a lot lately.
#99964
A
have been coughing
B
had coughed
C
coughed
D
cough
—Such a mistake could have been avoided. —Unfortunately, he _______ the mistake again and again.
#104834
A
repeated          
B
would repeat
C
had repeated        
D
would have repeated