Cable TV began in 1948 in the USA, but it took 50 years________ 66 percent of American households had it.A. before B. after C unless D. since
______by some new chairs in the living room.the old ones were moved out and used as firewood.
Why don’t you try to work out the maths problem ______waiting for the teacher to tell you the answer?
If these measures can’t help ______such a tragedy from happening again, what’s the sense of taking them?
If you are someone who is easy to worry, you are more ______ to have a negative interpretation of your feelings.
______the young man really wanted to go abroad for further study, he abandoned his dream considering the financial situation of his family.