_______, what’s your hobby

How do you like the book —I haven’t read a more interesting one. It’s well worth ______ a second time.

Why didn’t you try your best to get on the bus?一I tried to，but ______ I could，it started moving

She would rather _____ more money on books _____ on clothes.

Not until he had left his friend _______ how importantfriendship was for him.