—Excuse me, where is Johnson?—He cannot go home, as his book is lying __________on his desk. 

I like this jacket better than that one, but it costs almost three times _______.

It isn’t quite         whether the teacher will collect the homework by Friday, so you needn’t hurry.

My most __________ moment was trying to introduce a woman whose name I couldn’t remember.

 ______ with a difficult situation, Amold decided to ask his boss for advice.