In the time of HINI, scientists ____ their spare time to conduct research on the ways of curing the disease.

As　a　result　of　careless　washing，the　jacket＿＿to　a　child's　size．

 It's said that there're millions of camels in India and ________ of them is still increasing.

We must ____ to the public the simple fact that drugs are very dangerous．

Icy road conditions in Teasdale ___________ two roads being closed.