There was an accident in this street this morning and _________ there has been a severe congestion of traffic.
A: until that
B: since then
C: for which
D: after that
A: until that
B: since then
C: for which
D: after that
举一反三
- Tom has been in the factory________he left school. A: after B: since C: while D: until
- She has been working in this factory (). A: in 1980 B: after 1980 C: since 1980 D: until 1980
- 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
- He has eaten nothing yesterday A: before B: since C: until D: after
- From seeing a doctor leaving the scene of the severe accident, you may ______ that someone has been badly injured.