—Oh, sorry. I'll stop right now.
A:isn't allowed
B:aren't allowed
C:doesn't allow
下列选项中,划线成语使用正确的一项是( )
等边三角形ABC的边长是6,求△ABC的面积.
3.7吨的货物需要一次性运走,每人只能运0.15吨,要用____人?