He started to learn English in 1990 and in the years ________ he kept on using it in his work.
I tried to call you last night, but I couldn’t ______.
. Which ______ did you enter for at the sports meet?
In the end the police decided not to ban the ______.
. The tyre of your car is flat. It needs ______.
The balloons, a great ______, ______ the atmosphere of the festival.