I missed the first part of ________ film Avatar.–- What a pity ! You should be here half _______ hour earlier.

I don’t think one can keep healthy ______ taking enough exercise.[ ]

Hurry up! We’ll be late for the plane.— Don’t worry. The plane won’t_______ until two hours later.

She persuaded me_____ an expensive mountain bike.

He doesn’t like his job. He often ________ it.