21.   The labor Market could also pose problems.

22.   The new history curriculum for the senior forms poses difficult problems.

23.   The point about a woman using her uterus for financial gain poses two problems.

24.   The preceding discussion suggests that the operation of Keynesian fiscal policy should pose few problems.

25.   The technology is showing a great deal of promise in areas that have posed problems for conventional systems.

26.   They pose problems to foreign language learners and native speaker learners alike.

27.   This of course poses a problem in writing which the author recognizes while Deciding on separate chapters for each aspect.

28.   This poses a problem because it apparently falsifies the plausible theory that animals, like humans, see with their eyes.

29.   This poses enormous problems for developing countries with severely limited educational resources, especially in the rural areas of those countries.

30.   Tin plate is cheaper and quite durable, but keeping tin rust-free does pose problems.