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1. My friends ... TV at the moment.
a. are watching b. watch c. were watching
2. Kate ... the piano when the Phone rang
a. player b. is playing c. was playing
3. George ... his homework yet.
a. doesnt do b. hasnt done c. didnt do
4. My Mother ... supper by 6 o'clock yesterday
a. has cooked b. had cooked c. cooked