The monkeys _____ swinging from branch to branch., am, are, is, My sister ______ playing tennis with her friends this afternoon., am, are, is, The sun ______ shining., am, are, is, The birds _______ singing., am, are, is, I ______ drinking a cup of coffee., am, are, is, My parents _______ renovating their house at the moment., am, are, is, She _______ writing a letter to her friend., am, are, is, The teacher _____ explaining the grammar rule to the students., am, are, is, I ______ practicing my guitar skills, am, are, is, You _____ studying English to improve your language skills., am, are, is.

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