1.What's the screen tinme? It's the ___ watching TV ,DVDs ,and videos ,playing comeputer games ,and using the comeputer.
2.Teachers use computers to ___ teaching and students use them to study.
3.One day she ___ in a traffic accident.
A. diedB. was dead
第一题打错了单词，tinme 应该是 time
4.There are many things here that I don't konw
A. which one to buy B. to buy which one (希望回答的人说明一下理由）
Her interest ___ science was encouraged by her father.
A.on B. in C.to D. of
5.___ she wanted to go to college! A. What B. That C. How D. How soon (说明一下理由）
