Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.

What’s the _____ of having a public open space where you can’t eat, drink or even simply hang out for a while? 

.The soldiers had worked for a long time.They ___ become tired and hungry, but ___ of them would stop to take a rest.

 It’s said that a(n) _________of $1,000 will be offered to anyone who helps to find the escaped prisoner.

Shelly had prepared carefully for her English examination so that she could be sure of passing it on her first _________.