. Don’t play by the river _______ you fallin and drown!

are gathering, I think we’d better ______for the hotel in case it ______to rain

He ____ they didn’t start early they wouldn’t catch the first bus. [ ]

Have a good day!—______________!

I think it’s impossible for us to work out the plan in just two days. It’s too difficult.—-You’re right. We can’t be _______ careful and hard while working on it.