1) The monkeys _____ swinging from branch to branch. a) am b) are c) is 2) My sister ______ playing tennis with her friends this afternoon. a) am b) are c) is 3) The sun ______ shining. a) am b) are c) is 4) The birds _______ singing. a) am b) are c) is 5) I ______ drinking a cup of coffee. a) am b) are c) is 6) My parents _______ renovating their house at the moment. a) am b) are c) is 7) She _______ writing a letter to her friend. a) am b) are c) is 8) The teacher _____ explaining the grammar rule to the students. a) am b) are c) is 9) I ______ practicing my guitar skills a) am b) are c) is 10) You _____ studying English to improve your language skills. a) am b) are c) is

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