The key to exercise solutions in chapter Language Knowledge 2 for the textbook On Screen B1+ - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Read the sentences. What word is each gap asking for: preposition, pronoun, verb, conjunction?
Which of these words could you use to complete the gaps in sentences 1-4 in Ex.1a: after, of, take, his, from, put, him, because?