Complete the sentences using the correct form of the words in brackets. 21. I sincerely (apology) _______ for the enormous delay in delivery. 22. The actor has recently faced harsh (criticize) _______ about his weight. 23. The teacher puts a great (emphasize) _______ on students’ behaviors throughout the lesson. 24. Students with short (memorize) _______ have great difficulty in acquiring new knowledge. 25. The gradual (realize) _______ of learning English as a second language has made her attitudes towards this subject much better. 26. Vietnamese high school students often listen to their parents’ advice to choose what subjects they should (specialization) _______ in