شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 604

Try to speak slowly when you give your speech. if you don’t, some of your words ……… .

These homes were all built to take advantage of simple, natural cooling methods - no .......... required.

School libraries can be a very useful and available ……… of information for the students.