—Would you like to come to the party?—______, but I’m very busy preparing for the exam.
.She had a guilty________ about not telling the police what had actually happened.
His composition was so confusing that I could hardly make any ________of it what’s over.
Without a sure supply of water, farming in that area remains at the _______of the weather.
I should like to try that coat on, but I don t know if it is my ____.
---Tom, keep your_____ on your studies. --- Sure, mum. I'll keep that in_____.