4 Are these statements true or false?. Use a dictionary if necessary. If the statement is false, explain why. If two things are mutually exclusive, one makes the other impossible.
If two methods of doing something are compatible, they cannot both be used.
Although phrasal verbs occur most frequently in more informal spoken and written English, they are also not uncommon in an academic context. You will hear them used in lectures and will read them in serious journals. From this input only go/look back over and work out are not appropriate for a formal written assignment. A Phrasal verbs and one-word synonyms Phrasal verbs often have one-word synonyms. These are usually of Latin origin and sound more formal than their phrasal verb equivalent but both are appropriate when writing or talking about academic subjects. Vary your language by using both.
