must we walk quickly at swimming pool?

must we walk quickly at swimming pool? must the we quickly walk swemming pool not at怎样连词成句 we always walk slowly at the swimming pool. We must ___there quickly A.to walk B.walk C.walk to D.walkin swimming (at)还是(in) the swimming pool at the swimming pool和in the swimming pool --------- Mike like swimming at the pool? we walk quickly down stairs must the 怎么连词成句? i am swimming at the pool对 am swimming 提问 The boy is swimming at the pool.为什么是at the pool?用in the pool swimming pool i'm swimming at the pool对划线部分提问