Dogs have a very good ______ of smell and are often usedto search for survivors in an earthquake

Water may __________, while time never stops.

下列句子中“而”字的用法与例句相同的一项是例句：冰，水为之而寒于水

Could I use your computer for a few moments，please—________.I’m not using it myself.

Would you like camping with me — I’d like to. But I’m busy my homework.