—When did your cousin begin to show his interest in medicine?—It was a Saturday ___ she noticed her uncle experimenting on a frog in his lab.
His wife always __________ him a hot drink of milk, sugar and chocolate.
Do let your mother know all the truth, she appears __________ everything.
If we sit near __________ front of the bus, we'll have __________ better view.
There are various methods to solve their practical and __________ problems.
—If you like the new computer, I suggest buying it. —But it's really too expensive. I can't __________ it.