1. -- What are you doing for vacation?
-- I’m _______ my sister.
A. babysiting B. babysit C. babysitting D. babysat
2. -- What are they doing for vacation?
-- They’re ________ at home.
A. relaxing B. relaxed C. relax D. relaxes
3. We’re ___________ next Sunday.
A. going camp B. go camping
C. go to camp D. going camping