Whenaspacecrafttravels,oneofthemajorproblemsisreentryintotheEarth’s_______.
A、surfaceWewon’tallowanyforeigncountryto_______inourinternalaffairs.
The_______isnearlydead,soIcannotstartthecaragain.
Bothsugarandsaltcan______inwater.
Studentswith_______problemsmayapplyforstudentloans.
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
