中国大学MOOC: He has had a ________ (various) of jobs since graduation.
举一反三
- He has been working as an engineer ______graduation. A: while B: B. as C: C. since D: which
- 中国大学MOOC: Can you believe that he has ________ go-karting since he was 12 years old？
- He has been working as an engineer ______graduation. A: A) while B: B) as C: C) since D: D) which
- He said he ____ in that factory since 2005. A: has worked B: had worked
- 中国大学MOOC: His English is excellent because he has been speaking since he _____ a boy of twelve.