下列各项中可以列入产品成本开支的是( )。
A. 购置和建造固定资产的支出
B. 购置和建造无形资产的支出
C. 废品损失和停工损失
D. 企业行政管理部门发生的各项费用
What __ you __ when Mom cooked last night?
A. was; doing
B. Were; doing
C. are; doing
I___go to the beach if it is sunny()
A. will
B. do
C. have
I wouldn't do that if l___ you. ()
A. were
B. is
C. are