I wonder why you won’t do it as ____. It’s the third time you have done so.
--- Look at the black clouds. It ______ soon. --- Sure. If only we ______ out.
Jim talked for about half an hour yesterday. Never ______ him talk so much.
I want to buy that kind of cloth because I ______ the cloth ______ well.
--- Remember the first time we met, Jim? --- Of course I do. You ______ in the library.
The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.