1. I put my face next to his.2. I put my cheek against his.3. I put my face next to his, my cheek against his cheek.
 put one's face next to another person's put one's cheek against another person'scheek against cheek 強調臉貼著臉，而 face next to face 可能指臉貼著臉，也可能指臉對著臉
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhoue effect, which leads to melting of glaciers, which leads to rising sea levels.