---If each of us__________ the environment, the world will become more beautiful.---I agree with you.A. takes measure to protectB. make a contribution to protectingC. makes a contribution to protect
The old man became______ several years ago. He could no longer see anything.
Don’t worry ______ him. He will be back soon.
I’m sure that you’ll enjoy a __________ future in this company.
I’ll __________ you some grapes after the trip.
Making a plan is only a start. You have to ________ it ________, and keep to it.