He asked Mary whether she had passed the exam ________．

She got into a(n) _____when she thought she'd forgotten doing homework. 

The system has been designed to give students quick and easy_____to the digital resources of the library.

I didn’t know it could do terrible ______to your heart and lungs or ______was more difficult for smoking couples to become pregnant.

The children have been playing with my hat ---they’ve knocked it out of _____.