Why didn’t you buy the camera you had longed for?— I had planned to. But I was ￡50 _____. [ ]

Looking you straight in the eye does not mean the person is telling the truth. Experienced liars often do this in a(n) ________ way，playing on people believing the myth.

Why do you suggest we buy a new machine—Because the old one has been damaged ______

(2013·安庆模拟)So far, what we have done is destroying the earth; only by changing　　　we live　　　we save it.

han 800,000 Chinese overseas students havereturned in the last five years, with the annual number ______ by an averagerate of 36 percent each year.