问题

Mom, where is my lunch pack?— Just where it _____
A:has been
B:had been
C:was
D:be
B:had been
C:was
D:be
正确答案是:
同类题型
It was along the Mississippi River____ Mark Twain spent much of his childhood.[ ]
Nowhere else, as his mother told us, _____________ except the cabin in the backyard.
Even if your suggestions are ,at least you have tried yourbest.
Which one do you prefer, apple juice, or Sprite—______. I am not thirsty at all.