If you listen to English programs every day, I’m sure you’ll _______ make progress in English.

Trapped by the police, the terrorists made their ______ attempt to explode the bomb that they carried.

alking of travel, have you ever been to Chicago— Yes. I _____ it twice while I was working in the US.

When college students ________ future employment, they often think of income and status.[ ]

An opinion is _____ someone believes is true but has not been proved.