题目

根括号内所给的中文提示，正确拼写单词。【1】The singer is good at playing the___________(吉他) and making wonderful music.【2】Bob and Jim have been good friends____________(自从) they joined the same tennis team.【3】The cinema was half__________(空的) because the movie was so boring.【4】Every time I want to give up, my parents always __________(鼓励))me to keep trying.【5】We will hold a party to say goodbye to our teachers next___________(星期三).把碳酸钠粉末装入试管，正确的操作是（ ）A. 用镊子 B. 用玻璃棒 C. 用药匙或纸槽 D. 直接倒入