______ flexible work time was introduced, productivity levels have improved by almost five percent.
A: As
B: Before
C: Since
D: While
A: As
B: Before
C: Since
D: While
举一反三
- Some companies have introduced flexible working time with less emphasis on pressure .
- Some companies have introduced flexible working time with less emphasis on pressure _____.
- It has been more than five years _______they met last time in Wuhan. A: since B: before C: for D: unti
- -- It is a long time _____ I saw you last.-- Yes. And it will be a still longer time ______ we see each other again. A: after; since B: since; before C: after; when D: since; while
- It is more likely for those with higher job levels to A: live freely B: have double income C: work remotely D: work less time