---Is there any flight to Tokyo today ?---I think there __, for the weather is too bad.

Let’s clean the classroom, ________?

If Peter had not hurt his leg, he ______ the important meeting last week.

English is a language that many people around the world ____ not speak perfectly but ____ at least understand.

—But for your timely warning, we _________ into great trouble. —Well, you know we’re friends.