1. Can you tell me which words are right for the sentences below?<br/><br/>I am riding/taking a bus<br/><br/>I take/ride an airplane<br/><br/>I waited at the bus stop for half an hour/half hour.<br/><br/>All is/are fine.<br/><br/>2. Why the sentences below do not have articles for the nouns? What is the reason?<br/><br/><u><b>Vehicle</b></u> is the general word for ...<br/><br/>You can use <b><u>vehicle </u></b>to refer to something that you use in order to achieve a particular purpose. <br/><br/>3. When you are writing in bullet form, can you do away with punctuation marks too (like here)?<br/><br/>A conference for students in pottery (no comma ?????) sponsored by Pottery Association