Itisusefultoscience_______theearthasanobjectinspace.
A、toconsiderWeweretoldthatSuewouldbeidealforthejob,butshe________badlywhenwetalkedtoher.
It________asashocktorealizethatIwasnotaloneintheroom.
As you like pop music, __________ I like literature.
_______themovieIwouldhavefinishedmypaperlastSunday.
The wealth of a country should be measured ________ the health and happiness of its people as well as the material goods it can produce.
