The factory ______ its waste into the river, but now it deals with the waste in a new way.
Dale, please remind me _____ the windows after school.
--- The math problem is too difficult. --- Don’t worry! Let’s find a good way _____ it.
We have different opinions _____ the matter.
Maria didn’t think of _____ when she jumped into the cold river.
A boy ______ a big drum in the yard _____ his mother came in.