Until I was twenty-three I never ________ attending night school three nights a week.
--- Look at the black clouds. It ______ soon. --- Sure. If only we ______ out.
--- ______ Betty this morning? --- Not yet, but she is sure to be here before noon.
. --- Is Tom still smoking? --- No. By next Saturday he ______ for a whole month without smoking a single cigarette.
I used to drink a lot of tea but these days I ______ coffee.
The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.