He started to learn English in 1990 and in the years ________ he kept on using it in his work.
She had a ________ idea of where Harry lived, but she didn't know the exact street.
Dust ________ in a room if we do not clean the room regularly.
The young actress looked so charming in her beautiful dress that we took ________ pictures with her.
She had no sooner finished her task ________ it began to rain.
________,Carolina couldn't get the door open.