Listening to peaceful music. as well as taking exercise,___________ a lot in relieving people ‘s sad emotions.

He is eager to try something he has never tried before — Oh, I see That’s ____ he’s different from others[ ]

The old professor told us every part of thematerials should be made use of ______ the power station.

Planning so far ahead ________ no sense—so manythings will have changed by next year.

You cannot be more careful when crossingthe street, or you may ___ by cars.