Choose the one word or phrase that best 31. The capital resources ... a variety of tools and machines.
A) include
B) includes
C) are including
D) is including
32. Since every economic decision ... a choice, economics is a study of tradeoffs.
A) require
B) requires
C) is requiring
D) required
33. The manager as well as the engineers ... the scheme at the meeting the whole day.
A) discussed
B) discuss
C) will discuss
D) were discussing
34. They
the family budget with their children and at that moment the children tri
what they ... most.
A) were drawing ... needed
needed
R) draw