—That was a           question, How did you get it right?—I just tried my luck

I am _____ about what I say because careless remarks are likely to hurt others' feelings．

Computers and mobile phones, though they are indeed making our life ____ and more ____, have reduced the need for face-to-face communications.

---Does Lucy enjoy singing? ---Yes, she does. I have never seen anyone else that is as ________ about singing as she is. 

 Now that there is much difficulty in finding a satisfying job，why don’t you do a _____ job to support you for the time being?