单选题 The children are playing with sand along the __________.

单选题 Speech is __________; silence is ________.

单选题 A __________ of $ 1,000 is offered for information on the criminal.

单选题 It is __________ that he hasn’t come to the party.

单选题 Children learn from their __________.

单选题 They were __________ leave their country.

单选题 I used to __________ becoming a pilot when I was a kid.

单选题 The police haven’t been able to __________ the mysterious bank robbery.