招贤纳士
This is________ "s" and that's________ "k".        [     ]
A、a, a
B、a, an
C、an, a
There is ________ "s" and ________ "u" in the word "busy".[     ]
A、a,a
B、an,  an
C、a,  an
D、an,  a
Jimmy can play _____ football well,but he can't play _____ guitar. [     ]
A、the; /
B、a; the
C、/; the
Yesterday, Mr Black saved ________ 18-year-old boy on his way to work.          [     ]
A、a
B、 an
C、 the
D、 of
—What do you think of the lion?  
—Well, I think it’s _____ ugly animal.      [     ]
A、a
B、an
C、the
D、/
This is ______ clock and that is ______ eraser.
[     ]
A、a; the
B、a; an
C、an; a
D、an; an
— What's this in English?   
— It's_____  eraser.      
[     ]
A、a
B、 an
C、 the
D、/
Sandra works in a factory. She's ______ worker.   
[     ]
A、a
B、 the
C、 some
D、/
Andrew wants to be _______ policeman, and he thinks it's ________ exciting job.
[     ]
A、a; a
B、an; an
C、a; an
D、an; a
There is ____"u" and ___"h" in the word"house".
[     ]
A、an, a
B、an, an
C、a, an