与What’s this in English?It’s pen.有关的几个问题

what's this in english a.It's pen b.It's what's this in English?It's a pen.为什么不能说是"this is a pen."?详细 What's this in English?It's____egg What's this in English?It's ______ apple. What's this in English? It's an orange. What's this in English?it's an IC c____. what's this in english .It's a ruler What's this in English?It's a(n) What's this in English?It's _______arm. what's this in English的同义词 what's this in english 的答语 What's this in English?