Czy te zdania mają sens?
1.You really ought to go to Black Rock Beach as it's perfect for windsurfing
2.You really should go to Black Rock Beach as it's perfect for windsurfing
3.I strongly advise you not to swim on Sunset Beach as water is deep
4.The best thing you can do is to go to island in September as it's less crowded
5.It's worth visiting Cairo as you can see many things
6.It's worth going to Cairo as you can see many things