【简答题】If you decide to wear medical mask which is pleated and flat like this one, it is important to wear and (Q1) ____ it correctly. Otherwise, instead of protecting you, the mask becomes a source of infec...
【简答题】If you decide to wear medical mask which is pleated and flat like this one, it is important to wear and ##(Q1)## it correctly. Otherwise, instead of protecting you, the mask becomes a source of infect...
【简答题】Complete the following sentences with the proper form of the words given. Pay attention to the part of speech of the word you use. 1 believe People once thought that the Earth was flat and this ______...