We have _________ homework today. Wedon’t have any time to watch TV.

Why not___ your teacher for helpwhen you can’t finish ___ it by yourself

As was expected, the peace talk between the two countries has________ at last and a war can’t be avoided.

We can see no clouds in the sky. Therefore, there’s nodoubt ______ it will be fine tomorrow.

20. When Jack arrived, he learned Mary ____ for almost an hour.