招贤纳士
Sandy often takes her dog for              walk around the lake after supper. [     ]
A、a
B、an
C、the
D、不填
We can have _______ bluer sky if we create _______ less polluted world. [     ]
A、a; a
B、a;  the
C、the;  a
D、the;  the
一What can I do for you?
一I want _______ MP4 player for my daughter.[     ]
A、a
B、an
C、the
D、不填
—It's going to rain. We can't go to the park.
— _______ pity it is! [     ]
A、What
B、What a
C、How
D、What an
Julia is very clever. In fact, I doubt whether anyone in the class has _______ IQ.[     ]
A、a high
B、a higher
C、the higher
D、the highest
If you don't know how to spell a new word, you'd better ______.
[     ]
A、look up a dictionary
B、look up an dictionary
C、look it up in an dictionary
D、look it up in a dictionary
They think maths _____ useful subject. [     ]
A、is a
B、are
C、is an
             good time we had in the country house yesterday! [     ]
A、How
B、What
C、What a
D、How a
Jack started to work at ______ early age because his family was very poor.
[     ]
A、a
B、an
C、the
D、/
            way it is from Guangzhou to Paris! [     ]
A、How long
B、What a long
C、How a long
D、What long