I am not keen（) sports.

.Mary is _______ of music but I am not.

I am afraid that I am not at liberty to discuss this matter.（英译中)

I am very keen at plants,______？A．isn"t IB．ain"t IC．am ID．aren"t I

Im surely dirty,______？A．am IB．isn"t IC．aren"t ID．am not I

Nancy is always keen （) sports channels.A、inB、atC、onD、for

“I am not meddling.”Mary said 【mildly 】 “I’m just