The conflict had developed into a stage ______ the two countries were gathering big troops on the border

.We should do what we can do ____protect the animals in danger

Allthe students were pleased to find the exam forthey found the answers

What made you so sad?–____________ my cellphone.

Four dollars a pair? I think it’s a bit too much.—-If you buy three pairs, the price for each will_____to three fifty.