My family consider ____ a computer, which is considered ____ a great help in our work and study.
-Personally,I believe I can do it well on my own. -________Selfconfidence is the first secret of success.
I've had a cookie,but you'd better give me________.I want to taste again.
The video,Gangnam Style,is becoming the first video________more than one billion views.
The problem is so complex that I'm afraid it will take me several hours to________.
George once told me that he would visit our house,but,for various reasons,he________so far.