. I could have offered you some help last weekend, but I ______ with my work at that time.
It was not until near the end of the letter ________ she mentioned her own plan.
It was only after he had read the papers ________Mr.Gross realized the task before him was extremely difficult to complete.
Only when he apologizes for his rudeness________to him again.
Not once________to Michael that he could one day become a top student in his class.
“Never for a second,”the boy says,“________ that my father would come to my rescue.”