My father used to _________ heavily, but now he has given it up.
A: smoke
B: smoked
C: be smoking
D: smoking
A: smoke
B: smoked
C: be smoking
D: smoking
举一反三
- Mr. Smith used to ______ heavily, but he has given it up. A: smoke B: smoking C: smoked D: have smoked
- My father used to ________ heavily, but now he has given it up.
- Jack has given up _______. A: smoking B: to smoke C: having smoked D: smoke
- Has the father given up smoking A: Yes, he used to. B: No, he hasn’t. C: Yes, he has.
- My husband used to smoke (heavy) ______, but he has given it up.