Question

【题目】Mary has ________ pet dog. She always takes it to go out for ________ walk.
A.a; the
B.a; a
C.the; a

Answer 1

【答案】B
【解析】第一个空表示数量“一”用 a，第二个空是固定短语 go out for a walk 出去散步，故选 B。