234. After the 1911 Revolution, China began to use the Gregorian calendar (solar calendar) and at the same we have also used the lunar calendar(阴历) in which a leap year (闰年)______ every four years.
He has been fired and will have to ____ over charge of his office tomorrow.
. —Where is our English teacher? —She is in the classroom, _____ the exercises _________ the students have done at home.
I could see a low bamboo hut standing there ______ grass sticking out ____ the roof.
. How I envy you____ your good luck.
Didn’t you find the manager’s name ____ in the papers?