1. Economics, several courses of which I have taken thus far, ______ to be difficult but useful for almost all students.
A. prove B. proves C. have been proved D. are proved

2. A thousand miles no longer _______ much to us today, for modern jets can easily get us to a great distance within a matter of a few hours.
A. meant B. means C. mean D. will mean

3. The secretary and treasurer of our company ______ the meeting.?
A. were to attend? B. are to attend C. is attend D. is to attend?

4. Cattle ______ to graze on the village common.?
A. are allowed B. is allowed C. allows D. allow

5. Mathematics as well as other subjects ____ a science.
A. was B. is C. are D. belong to

6. Either of these young ladies ____ perfectly qualified to teach Greek, Latin and French.
A. were B. are C. is D. have been

7. Large quantities of water ______ cooling purposes.
A. are needed for B. is needed to C. are needed to D. is needed for

8. Copper as well as most metals____.?
A. is a good conductor B. is a good insulator
C. are good conductors D. are good insulators

9. There used to be some trees by the lake, ____ ？?
A. was there B. were there? C. weren't there D. wasn't there

10. Cattle____ to graze on the village common.?
A. are allowed B. is allowed C. allows D. allow
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