1) A blue whale is ____ than twenty-five elephants. a) the heaviest b) heavier c) heavyer d) more heavy 2) Peter ___ since 5 o'clock. a) is working b) worked c) have worked d) has been working 3) Max is crazy ___ football. a) about b) on c) with d) to 4) The train ____ when my friends arrived at the railway station a) left b) has left c) leaves d) had left

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