Miss Gao has been a teacher _________ 1990.
A: before
B: after
C: since
D: in
A: before
B: after
C: since
D: in
举一反三
- The company has been producing this model of machine tool (__) 2018. A: since B: after C: for D: before
- How long has Louis been living in England A: Since 1990. B: Since 1992. C: Since 1982.
- ______ he entered the university, his English has been much improved. A: Before B: After C: When D: Since
- Miss Gao has taught us English [u] [/u] two years. She has been here [u] [/u][u] [/u] five years ago. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: since; for B: since; since C: for; for D: for; since
- We had to be patient because it _______ some time _____ we got the full result. A: has been; since B: had been;until C: was; after D: would be; before