Nowadays people sometimes separate their waste to make it easier for it ________.
Had she___her promise,she would have made it to Yale University.
—Do you know if Linda is willing to take charge of the program?—___,does it?
I have been convinced that the print media are usually more___and more reliable than television
I guess we’ve already talked about this before but I’ll ask you again just___
So far we have done a lot to build a low-carbon economy,but it is___ideal.We have to work still harder