问题

An ant has two stomachs — one for itself, one for others.— Really? Quite interestingI ____ anything about it

A:don’t know
B:have known
C:haven’t known
D:didn’t know

正确答案是：

同类题型

The film ______for ten minutes.

It’s time for lunch, Mum! I am hungry.—_____________________.

What’s the matter–I can’t stand the loud music here. It’s nearly ________ me mad.

The new administration has promised people to ______ administrative expenses by ten percent next year. [ ]

The experienced teachers try their best _____ the younger ones _____experience.