1)Learning new languages can be a real ____ for many pupils at school. 2) I have already done my homework perfectly, so you needn't ____ 3) Felix is ____ that's why he hasn't any friends at school. 4) He was tired of ____ work, and he didn't want to ask for help. 5) Misha has bad marks in Biology, you should ____ to help him achieve good results. 6) Fortunately, our school project started to ____.

Exercise 4. Choose your book

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