What …. macroeconomics all about from your point of view?
a) is b) are c) do d) does e) have
..... many countries face fiscal problems?
a) shall b) have c) are d) does e) do
What ... the most desirable features of a tax system?
a) had b) does c) do d) are e) is
Answers & Comments
2) a
3) c............................