People have planted a great many trees in order to ____wind and sand in the desert.
________ they become dirty, the lakes are not able to clean themselves
I think he is ________ to win, but I’m not sure.
The weather turned out to be fine yesterday, I _____ the trouble to carry my umbrella with me.
They ______ a tent and got ready for the night when evening came.
–Did you go to the show last night? –Yeah. Every boy and girl in the area _______ invited.