Last night Li Ping watched the football match at home when he ________ his homework.
Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.
After ten hours’ drive, we came to ______ is called a green house, through the glass wall of _____, we saw lots of green plants.
—Mother, I climbed up to that tall tree and picked this big apple. —Jesus! You______ down and hurt yourself.
—Do you remember when I first met you? —Of course. I __________ in a small food factory.
—I didn’t expect that John would be absent from my last Sunday’s birthday party.—As far as I know, he ______ to see his parents in the countryside on Sundays.