To tell you the truth, I think it is you, ________Mr. Smith, ________.

 The poor woman had not slept all night and was completely _________.

 The younger policeman was leaning ______ the wall with his arms folded when he heard someone for help.

The government decided to tear down the old bridge, which was not strong enough to allow the ___ of heavy vehicles (车辆).

We tried to ring you back，Bryan，but we think we ________ your number incorrectly.