招贤纳士
There isn't _____ clean park.   [     ]
A、the
B、a
C、an
D、/
It is _____ unusual thing for us to find _____ UFO.  [     ]
A、a;a
B、 an; an
C、 a; an
D、 an; a
It takes only ______. [     ]
A、oneandhalfminutes
B、one and a half minutes
C、one minute and half
D、one minutes and a half
There is ________ID in the purse. It’s ________Liu’s. [     ]
A、a, /
B、a, the
C、an, the
D、an, /
Her grandmother often takes ________ after dinner.[     ]
A、walking
B、to walk
C、walks
D、a walk
We have  __       Art Festival   __      May.   [     ]
A、a; in
B、an; on
C、an; in
D、a; on
It is_______American car, and______car is black.    [     ]
A、a;the
B、a;/
C、an;a
D、an; the
This is ________ interesting book. [     ]
A、an
B、a
C、the
D、/
We have______ English party every month.    [     ]
A、an
B、a
C、the
D、/
-Is this ________ book?
-Yes, it's ________ English book.[     ]
A、a; a
B、an; an
C、an, a
D、a; an