Obviously the measures taken by the local government have_______ the solution to drinking water problems in this region.

We look towards strengthening cooperation with universities all over the world ________ scientific research.

With economy getting worse，we have reached the point________we have to cut down our daily expenses.

_______ only one week left before the final examination, we’re kept busy going over our lessons.

ou still working in that company, Mary—No, it is ten months ____ I worked there