Mother the baby gently on the bed and then bent down to pick up the toy on the ground.
A. laid; lying
B. laid; lie
C. lay; lying
D. had laid; lay
网友回答
(答案→)A. laid; lying
B. laid; lie
C. lay; lying
D. had laid; lay
解析：本题考查动词及非谓语动词。题中laid为lay的过去式，表示“放，搁”；lying on the ground作定语，修饰名词the toy。故选A。