Let me be in the minority and say that the first of the four is by far the best photograph because it is the most interesting. It is a study in contrasts. The groom in black and the bride in white is only the most obvious. The groom looking slightly dishevelled with sunglasses pulled low, and the bride with all her hair in place and glasses fully on. The heavy solidity of the black jacket with long sleeves vs. the lace and short sleeves of the dress. Even the supposed flaws: the solid head silhouetted in left foreground and the blown out ethereal haze in right background mirror each other and align with the two subjects, black and white. The cropped version detracted from this photograph, just turning it into a snap with an exposure problem. The symbolism in the photo is ominous. The couple are opposites. They are not looking at each other. The bride is looking away from her present reality with an ambiguous expression on her face, while the groom is more interested in the viewer than his new wife.
Picture 2: Put this in the wedding album, I guess.
Picture 3: The only real problem with this is the position of the person and chair. They should be in the left part of the window, facing at a slight angle to the right, i.e. seeming to look at the the replica Eiffel Tower without blocking it from our view. Again, didn't need a crop. The curtain on left is part of the context.
Picture 4: Could use a slight bit of perspective correction. The right edge of the main building slopes up to the left. Did you crop more off the left than the right of the frame? I could use a bit more empty black sky at the top. However those are minor quibbles. This is a classic composition. Well done.