Questions 46 through 50 present some problems English learners usually have. Mark the correct alternative for each question. Learners of English as a foreign language usually have problems in distinguishing between oral and written English. Oral language typically displays an unplanned and fragmented speech, while written language usually presents a more elaborated and planned speech. When correcting written assignments, teachers should pay particular attention to the uses that are typically oral. The alternatives below present examples of oral speech. The only exception is: