_____ hard she tries, she can hardly avoid making mistakes in her homework.
. It’s high time that he ______ the business ______ to his son.
. ______ this job doesn’t pay very much, but ______ I can’t get another one.
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?