Don’t forget to close the window when you leave .—

Although most of them have no doubt ________ he will pass the exam , I still wonder _______ he has really got everything ready

The supermarket provides customers _____ plastic bags for free.

feel like walking to the cinemaorwe take a bus—I’d like to walk. But since there isn’tmuch time left, I’d rather wea taxi.

Everyone should learn about the world.