Would you tell me ___ you want your tea, with sugar or milk?— Sugar, please.

______ has already been pointed out, grammar is not a set of dead rules.

If you go for a long ride in a friend’s car, it’s the custom to offer to ______ some of the expenses. [ ]

The little boy was last seen __________ football by the river.

The demand that the law on gun ownership _____ be changed ___ is very strong.