Answer:
sell, decrease
Step-by-step explanation:
Adopting a pegged exchange rate or a fixed exchange rate which is a kind of exchange rate, a country fixes its currency's value vis-a-vis either the value of another country's currency or another measure of value like gold. In this case, in order to keep the exchange rate pegged at the target level, selling US dollars and decreasing foreign currency reserves will be ideal since dollar often keeps on the appreciation.