He felt _________ when he found a stranger_________ about at the gate of the police station

It is clearly stated that regulations __________ everyone in the community, without exception.

.—Sorry, MumI’ve lost my pen again.I_____it! You never remember to put your things away after using them

Mary is the only one of the teachers who ________ a little Chinese because she is one of my friends who ________ been to China.

He used to in the sun,but now he is used to at night.