【推荐1】My name is Mireya Mayor. I’m a scientist who studies animals such as apes and monkeys. I was searching ________ these three western lowland gorillas I’d been observing. (用适当的词填空)

【推荐2】I was searching ________ these three western lowland gorillas I'd been observing. No one had seen them for hours, and my colleagues and I were worried.

【推荐3】He searched ________a sign of recognition on her face, but there was none.(用适当的词填空)

【推荐1】You can turn to him. He takes control ________ this ward. （用适当的词填空）

【推荐2】The sort of music I listen to varies, but it tends________ light music.（用适当的词填空）

【推荐3】Applications should be in by next Monday ________ the latest.（用适当的词填空）