Let the dog loose so that it_____have arun.

Large quantities of solid fuelconsumed every dayand too much carbon dioxide is sent into the air, which inturn ___the going up of temperature. [ ]

Can I use the fax on the table, sir— In no case _____ to use the fax for personalaffairs.

With the situation worsening, the army threatens to_______ if a general election is not to be held as scheduled. So let’s _______some serious work.

The changes of the plants and animals in an area ________ from differences in climate and the nature of the country.