单选题 If the boy had ______ the dog alone it wouldn't have bitten him.

单选题 Several university presidents were in ___ this international conference.

单选题 Due to delayed and irregular reporting, these figures should be considered ___.

单选题 ___ rates are set to rise again in the winter.

单选题 That professor doesn't like ___ visits without appointments.

单选题 For most players in this football team, it is a ___ to lose the game.

单选题 John is a very ___ person, because he wants to be a senator in the Congress.

单选题 The miners used special ___ to keep the walls from collapsing.

单选题 Tom should finish his dissertation in the ___ year.