第一部分单项填空（共15小题；每小题1分，满分15分）
21. He has enormous funds __________ his command.
A. at B. on C. over D. in
22. What I’m interested in is radios and telephones, so I’d like to study __________ Engineering during my four years in university.
A. Electric B. Electrical C. Electronic D. Electricity
23. If I am not __________ when you phone, ask for someone else’s help.
A. accessible B. available C. stable D. suitable
24. Please __________ that you must review your lesson after class.
A. keep you in mind B. keep that in mind C. keep it in mind D. keep in mind
25. On the __________ first day, our teacher told us that it was vital that we __________ notes in English class.
A. very; take down B. very; took down C. just; take down D. just; took down
26. Not many people __________ the idea that money brings happiness.
