―How can I improve my pronunciation,Madam?
―Keep on ______ and you'll all make progress.
practice
practicing
to practice
If you add three _______ nine, you get twelve.
How ______ your mother _______ fruit salad?
_______ the books in the bookcase, Jerry.
How ________ relish do we need for the shake?
What __________ the matter with your little dog yesterday evening?