1/ A. found B. through C. mouse D. proud
2/ A. adjust B. but C. trust D. bulletin
3/ A. computer B. concern C. contain D. college
4/ A. message B. degree C. method D. freshmen
5/ A. post B. monitor C. knob D. technology
6/ A. found B. about C. south D. bought
7/ A. socket B. computer C. problem D. document
8/ A. think B. there C. this D. they
9/ A. messages B. campuses C. colleges D. stores
10/ A. worked B. required C. plugged D. opened
1B
2D
3D
4B
5A
6C
7D
8A
9B
10A