根据句意,用适当的单词补全句子。 __________are primarily hand-held portable devices designed to protect against rain or sunlight, and are size for personal use. A ___________ is often used when you want to bind things together by means of staples. A ___________ is a small portable battery-powered electric lamp. It is often used in darkness. ____________are small cutting tools with two pieces of sharp blades, and are normally used to cut things such as paper and cloth. A ____________ is a basic tool, often featured with a heavy head and a handle. When you want to knock a nail into the wall, you often use it to hit the hall.