There are twelve (46) in a year．
The (47) 0f the twelve months are: January， February， March，April，May，June，(48) ，August， (4 9) ，October， November and December．
Each month has (50) days or thirty-one days except（除……之外）February．．In a leap year(闰年)，February has (51) days．A leap year comes once in four years．
There are 365(52 ) in a year．
There are (53) days in a week． They are Sunday， Monday， Tuesday， Wednes-day， Thursday， Friday and Saturday．
The parts of the day are: morning，(54) ，evening and night．
April，June，September and (55) have thirty days．
All the rest have thirty-one days， except(除……之外)February alone(只、仅)．
46．______