How can I use iPhone 4s— Just refer to the _________.

He lifted the stone only _______ it dropped on his own feet

n’t got the reference book yet,but I’ll have a test on the subject next month.—Don’t worry. You ____ have it by Friday.

Tony is_____active boy,but he has_____unhealthylifestyle. – –Yes,youare right.

If the traffic hadn’t been so heavy, I could have been back by 6 o’clock— What a pity! Tina ________ here to see you[ ]