1.   A few problems remain to be discussed.

2.   Alas, it was not nearly so simple, and many more complex problems remained to be solved.

3.   Although traditional remedial education is undergoing radical reform, major problems remain.

4.   And the old problem remained that skilled men would neither be given suitable work nor time to seek it for themselves.

5.   But even after six months of intensive study many other problems remain.

6.   Further, when his influence on educated people is considered, there remain huge problems of discrimination.

7.   Many theoretical and practical problems remain to be studied and this research project will tackle some of them.

8.   Naturally, difficult problems will remain in various countries where the faction fight has been long and bitter.

9.   One problem remained to be settled, which was the working out of the electoral pact.