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
在○里填上>、<或=.
牵挂是一份宝贵的精神财富。有了妈妈的牵挂,朴素平凡的生活便溢满了温馨的记忆;____,____;____,____。
下列整式运算正确的是( )