—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?
—No, I didn’t. I _______ it twice in Denmark.
A. have seen B. were seeing C. had seen D. saw
My cousins _______ me and ask me what I was doing when I was studying in Canada.
A. used to ringing B. were used to ring
C. were used to ringing D. used to ring
Larry and his wife were killed in the volcanic eruption, _______ their 5-year-old son alone in this world.
A. leaving B. and left C. to leave D. left
Make ______ a habit to put whole-grain biscuits, nuts or raisins in your backpack.
A. / B. this C. that D. it
Pompeii _______ by so many tourists that some of the relics are not well protected.
A. has been visited B. is visited C. is visiting D. was visited
Michael really has a gift ______ playing the piano so his teacher decided to make a pianist of him.
A. on B. about C. into D. for
