题干
I called you, but nobody answered. Where ____ you?
A：is
B：are
C：was
D：were
答案(点此获取答案解析）
D
I called you, but nobody answered. Where ____ you?
A：is
B：are
C：was
D：were
；从左面看到的形状是 
。搭这样的立体图形，最少需要