The police at Denver International Airport examined a bomb threat against a United Airlines flight to San Francisco,____________ the flight for hours.
#93448
A
delayed
B
to delay
C
delaying
D
had delayed
推荐题目
The boy then led her into the warm hall and left her ______ by the fire.
#94621
A
sit
B
to sit
C
sitting
D
sat
—Excuse me sir， where is Room 301？—Just a minute. I’ll have Bob _____ you to your room.
#98763
A
show
B
shows
C
to show
D
showing
Nowadays some parents regret not ______ more time with their kids when they were young.
#94009
A
to spend
B
spending
C
spend
D
being spent
--- Do you feel like _______ there or shall we take a bus? --- I’d like to walk, but since there isn’t much time left, I’d rather we ________ a taxi.
#94404
A
to walk; take
B
walking; took
C
to walk; took
D
walking; take
____ twice, the postman refused to deliver our letters unless we changed our dog
#98997
A
Being bitten
B
Bitten
C
Having bitten
D
To be bitten