1.   Long lines formed at most exchange houses early in the morning as Venezuelans sought to sell their bolivars for dollars.

2.   Today, long lines formed at most exchange houses early in the morning as Venezuelans sought to sell their bolivars for dollars.

3.   Venezuelans lined up today to sell bolivars for dollars.

4.   Fears of capital controls have prompted people to sell bolivars to buy dollars, driving the Venezuelan currency lower.