A: Are you looking forward to going to the zoo tomorrow?
B: Actually, I’m not too keen on going, but I guess it’ll be fun to go with friends.
keen
a. 1.(on) 热心的，渴望的；2.敏锐的，敏捷的；3.激烈的，强烈的； 4.锋利的，刺人的

A: Is the water in the kettle boiling yet?
B: Not yet, but it should be in a minute or so.
kettle
n. 水壶

A: Why can’t you use your computer?
B: Because the keyboard’s broken.
keyboard
n. 键盘

A: When I was a kid , I use to love to eat ice cream.
B: So did I , but now I’m too worried about my health to be able to enjoy it.
kid
n. 小孩，年轻人
v. 戏弄，（与……）开玩笑

A: Has your son started school yet?
B: Yes, he just started kindergarten this fall.
kindergarten
n. 幼儿园

A: Here’s some money to help you pay off your dept.
B: Thank you so much for your kindness .
kindness
n. 1.亲切，仁慈，好意；2.仁慈（或好心）的行为

A: Why do you think the various kingdoms of the middle ages were always at war?
B: I don’t know. but I would guess that it was for the same reasons that people fight wars today.
kingdom
n. 1.王国；2.领域，界

A: Why do people kneel before the king and queen?
B: It’s a sign of respect.
kneel
vi. 跪

A: Why are you wearing your shoes to bed?
B: Because my shoelaces are tied in a knot , and I can’t get them off!
knot
n. 1.（绳等的）结；2.（木材上的）节疤；3.（航速单位）节
vt. 把……打成结，把……结牢

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