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look see
book beef
good feed
foot
脚
复数
feet
/u/
/i:/
/?:/
play football
play basketball
/ i /
play volleyball
watch the games
play ping-pong
play tennis
play hockey
play golf
你还知道哪些球类运动？
注意！
be + doing 表示正在进行的动作。
---What are the girls doing?
---The girls are_________________.
playing volleyball
---What are the boys doing?
---The boys are_________________.
playing football
---What are the teachers doing?
---The teachers ___________________.