What did you do _______ the weekend? [ ]

Did you watch the basketball match last weekend?— Yes, I did. It was covered, and I think it was wonderful.

There is no point ________ time ________ with him.

I looked up and noticed a snake ______ its way up the tree to catch its breakfast.

So far we have done a lot to build a low-carbon economy, yet it is still _________ ideal. We have to work even harder.