【单选题】If I had some money, I _______ the poor boy.
【简答题】催化剂在生产运行中,暂时中毒而失去大部分活性时,可采用蒸汽或空气处理、酸碱液处理等方法使催化剂恢复或接近原来的活性叫做催化剂的()。
【单选题】You can stay in my room ______ you promise not to use my computer.
【单选题】You can use my car, ( ) you promise to be back before lunch.
【单选题】His bike is not here, but you can use _____. [ ]
【单选题】– Can you tell me how to use a micro blog on my phone? – ___________. But I have to finish my work first.
【简答题】将下列句子改为倒装句: If I had any money with me,I could lend you some.
【单选题】You can stay in my room ______ you promise not to use the computer.
【简答题】You can use my computer you like.
【单选题】You can’t use my bike _____ you return it to me by the weekend.