5. “Do you often swim now?”
“No, but I _______ when I was in my fifties.”
A. used to
B. am used to it
C. used to do
D. was used to doing
6. A new computer costs about _______ of this used one.
A. the three times price
B. three time the price
C. three times a price
D. three times the price
7. He deeply regretted _______ the only opportunity to go to college.
A. to have to miss
B. that he will miss
C. to miss
D. missing
8. Alice and Mary waited breathlessly for the announcement, _______ she had won the award.
A. each hoped
B. each hoping
C. and each hopes
D. and each hoping
9. Statistics is a discipline _______ all the other sciences.
