He blamed his poor test result ______ his teacher. 

What time are you arriving _____ the airport?

It's not advisable to go swimming _______ a full stomach. 

I really must cut _______  _________ junk food I'm eating. It's unhealthy!

In the winter, some fruits are ______ _______ season locally and need to be imported. 

Exercising before a meal helps me work _______ an appetite. 

I really shouldn't have gulped ___________ that drink. Now I don't feel well. 

Don't worry about paying for dinner! It's _______ me.

I am so hungry. I'm craving _____ something sweet. 

I'm sorry but you must hand in your test. your time is ______.