—Kathy and her sister are so alike.—I can’t tell one from ____.
Not until my mother came back_________ go to bed.
My grandfather ___to be quite afraid to live in the city, but now he has __ to the life here.
—Is Bob still performing?—I am afraid not. He is said ___ the stage already as he has become an official.
She_____ have left school, for her bike is still here.
He decided to study ____ second foreign language in order to find ___ better job.