ducks swim slowly ______ the water.填空选择（并说明原因）

ducks swim slowly ______ the water.填空选择（并说明原因） look!the ducks are_____(swim)in the water LOOK!HOW CAREFULLY HE ______ TO THE ENGLISH SONG 填空并说明原因 选择正确答案,并说明原因 选择后并说明原因 并说明选择的原因 介词填空,请选择并说明原因.The Xmas card is______our art teacher横线上填介词 还有 填空（并说明理由）the bed weather makes people (happy)选择填空think of; g water in the pool is ______ to swim in. 选择填空，并说明理由 选择填空,并说明理由. 并说明选择原因Art is （ ） interesting subject.A .a B .the C .an D ./