We have made good preparations for Sarah’s birthday, but if she ________ late to the party, it would ruin the surprise for her.
_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.
Anyone ______ trying to take knives on board flights would be caught by the police.
While watching television, __________.
It’s reported that global warming is heating the planet twice as quickly as _____ feared.
The girl _______ in bed _______ to us that she had _______ the dictionary on the bookshelf.