It ________ as a shock to realize that I was not alone in the room.
A、cameA
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Thefarmerhadtowearheavybootsinthewinterbecausethefieldsweretoowetand________.
Theenginehasbrokenandtheboatis______onthewater.
_______ the movie I would have finished my paper last Sunday.
GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.
Itisusefultoscience_______theearthasanobjectinspace.