I failed in the spoken examination last term and only then _______ the importance of practicing speaking English.

Sorry, Mr Green. I have_______myhomework at home.—Never mind. But don’t forger nexttime.

_____________ John and his mother often watch tennis matches on TV— Yes, they _____________.

We can’t wait. We have to_______ the direction and the distance before we take action.

下列各项关于文学文化常识表述有误的一项是（ ）