Tom ________ in China now. He calls his parents once a week.
举一反三
- Tom is so independent that he never asks his parents’ opinion____<br/>he wants their support. A: since B: once C: unless D: after
- How often does Tom ring his mother up A: Once a day. B: Once a week. C: Once a month.
- When he was a solider abroad, Edward would always contact his family through telephone calls, but usually ________________. A: only about once a month B: only about once a year C: only about once a week D: only about once a day
- Tom visited_______grandparents last week. A: his B: he C: I
- How often does the man call his parents （） A: Every day. B: Never. C: Once a week.