His writing is so confusing that it’s difficult to make out _____it is he is trying to express.
--- Do you want anything else for your birthday? --- Nothing else. I’m very ______ with what you’ve bought for me.
To improve the quality of our products, we asked anyone ____________ had used the products for suggestions.
The president spoke at the business meeting for nearly an hour without _____ his notes.
If he ______ my advice, he wouldn’t have lost his job.
There are many mistakes in his essay, ______ his failure.