A successful life is a life ____ challenges are met and difficulties overcome.
A. which B. where C. what D. that
After suffering a heart attack, Michael Jackson was pronounced dead, ____ a tragic end to the world' s most popular entertainer.
A. to mark B. marking C. marked D. having marked
The magnificent tower must be saved, ________ the cost!
A. however B. whichever C. whatever D. wherever
After supper she would sit down by the fire, sometimes _____ an hour, thinking of her young and happy days.
A. as soon as B. as much as C. as many as D. as long as
People were not allowed to enter the reading room because it _______.
A. had been painted B. was being painted
C. was painting D. painted
．_____ alone in the large house, the little boy had to learn to survive by himself.
A. To leave B. Leaving C. Left D. Being left
