1. He _________ (计算)the costs of his _________(可移动的)phone very carefully.
2. Such problems are a _________ (普遍的)feature of this kind of _______ (火箭).
3. Do you know when the first _________ (人造的)satellite of America was launched?
4. We can _________ (解决)the problem no matter how complicated it is.
5. I read love stories as an escape from _________ (现实).
6. _________ (个人的)computers are cheap and getting cheaper.
