【简答题】付账时我忘了索要收据。(receipt)
【简答题】什么叫年调节水库和多年调节水库?在规划设计时,用什么方法来判别某水库是年调节水库,还是多年调节水库?
【简答题】付账时我忘了索要收据。(receipt) I forgot to _________________ when checking out.
【多选题】纤维( fiber)组织的 细胞壁明显地次生增厚,常木质化、坚硬。其细胞特征有:
【单选题】付账时我忘了索要收据。(receipt)
A.
I forgot to ask for a receipt when checking out.
B.
I forgot to ask a receipt when checking out.
C.
I forget to ask for a receipt when checking out.
D.
I forgot to ask for a receipt when check out.