Ответ:
9.
The government should develop the economy.
10.
Fred will go home after he buys return tickets
Mr Brown will go home after. he finishes playing the final game of cricket.
Mrs Brown will go home after she visits National Gallery.
The Browns will go home after they finish their business.
Susie will go home after she speaks to the Famous English professor.
Объяснение:
Потому что економика это единственная сфера из списка в 9 упражнении, на которое может иметь влияние государство.