We      at the airport; otherwise we would have arrived home by lunch time.
#99372
A
had delayed
B
were delayed
C
had been delayed
D
have delayed
推荐题目
Five workers ____ the mine disaster. After the injured ___ to the hospital, doctors and nurses immediately got down to saving their lives. 
#101953
A
was survived; rushed
B
survived from; were rushed
C
survived; was rushed
D
survived; were rushed
 He ______ articles for our wall-newspaper these three years, and he ______ about forty articles.
#104097
A
has been writing; has written
B
has been writing; wrote
C
is writing; has been writing
D
has written; has written