10. 定义一个长度为5值为空的字符串数组，下列选项正确的是_______。 A. String a[]={"","","","",""}; B. String a[5]; C. String [5] a; D. String []a=new String[5];for(int i=0;i<5;a[i++]=null); ...

4. I tried to ___the note to him in the exam while the teacher wasn’t looking. A. take B. slip C. give D. bring ...

16. ___ and caught the mouse. A. Up the cat jumped B. The cat up jumped C. Up jumped the cat D. Jumped up the cat ...

8. ──You forgot your keys when you left home in the morning. ──Good heavens, ___. A. so did I B. so I did C. so you did D. you did so ...

2. — “May I speak to your manager Mr. Williams at five o’clock tonight?” — “I’m sorry. Mr. Williams ___ to a conference long before then. ” A. will have gone B. had gone C. would have gone D. has gone ...

17. We are living in an age___ many things are done on computer. A. which B. that C. whose D. when ...

12. He looks sleepy. He must ___to bed very late last night. A. be B. have gone C. be going D. go ...

4. ___ they will not come to join us, we have to change our plan. A. Seeing that B. When C. For D. As soon as ...

19. During the process, great care has to be taken to protect the ___ silk from damage. A. sensitive B. tender C. dedicate D. sensible ...

13. In the ___ of the project not being a success, the investors stand to lose up to $30 million. A. face B. time C. event D. course ...