It was Tom as well as his friends that ________ for the serious accident.
She couldn’t help, even though she tried not to, ____ at the strange clothes her friend was wearing.
Only when _________________________.
According to news reports, personal ____ of guns in the USA causes a lot of trouble.
---Did you go to the cinema last night? ---Well, I had ____ to , but it was raining too hard.
Sorry, we are late,--our plane was _____ because of the heavy rain.