1 Everyone should help to ______old cans ,old bottles and ol

1 Everyone should help to ______old cans ,old bottles and old newspapers for future .(cycle)
2 After the _______examination ,the doctor gave me some pills .(medicine)
3 Planting more trees ______the Greenhouse Effect ________because trees take in CO2.
A.is making.better B.are making.better
C.is making.worse D.are making.worse
Would you like to see _______when you are 25?
A.what you will be like B.how will you be
C.what you will be D.how you will be like