Itisusefultoscience_______theearthasanobjectinspace.
A、toconsiderIwon't________thosechildrenmakinganoiseinmyhouse!
Take it ______. It is nothing but a joke.
In some schools children who prefer to read books rather than ________ football become social outcasts (被抛弃者 ).
As you like pop music, __________ I like literature.
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
