题干
My mother dinner for us every day. She vegetables now.
A：cooks; is washing
B：is cooking; is washing
C：cooks; washes
D：is cooking; washes
答案(点此获取答案解析）
A
My mother dinner for us every day. She vegetables now.
A：cooks; is washing
B：is cooking; is washing
C：cooks; washes
D：is cooking; washes
满足
，则
与
的夹角为（ ）
