21.   Now a similar problem is looming with the council that administers elections.

22.   Of course, the same problem now looms here, for the opposite reason.

23.   One problem loomed, however.

24.   Other problems loomed.

25.   Other problems loomed for Pakistan.

26.   Other problems also loom.

27.   Russia is entering an autumn in which economic problems are looming large.

28.   Some problems loom.

29.   Still, potential problems loom in the distance.