Now and then; from time to time.
A: enormous
B: work on
C: occasion
D: on occasion
E: in retrospect
A: enormous
B: work on
C: occasion
D: on occasion
E: in retrospect
举一反三
- 着装的TOP原则为（）。 A: time，occasion，place B: time，occasion，plan C: time，occasion，people D: time，opportunity，place
- TPO rules stand for dressing according to ______.? Time, place;and occasion;|Time, place and order;|Time, position and occasion;;|none of the three.
- TPO原则包括（ ） A: pay B: time C: place D: occasion
- TPOR原则中不包括（）。 A: time B: place C: occasion D: rule
- I am afraid it is _______ we left. A: occasion B: time C: opportunity D: hour