—Maria. You have made such a great progress in English.
—Thanks, Ms. Chen. I can’t make it ______ your help.
with
without
for
Many old men prefer __________ in a peaceful countryside.
Mary likes learing English,______ she doesn’t like learning math at all.
------I’m taking the driving test next Sunday. ------________!
______ trees are cut down in the forests every year.
The population of the world in 20 century became very much _____than that in 19 century.