________ if you want to do something, or you won’t be able to do it well.
He was good at arts, but ______, he was studying hard ______ being admitted to an engineering college.
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 ______.