umbrella is useful object for people, especially on ra

题型：期末题难度：来源：

umbrella is useful object for people, especially on rainy days. [ ]
A. An; a
B. A; a
C. The; an
D. A; an

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举一反三

Traffic is _______ big problem in Beijing. [ ]
A. an 　　　
B. a 　　　
C. the 　　　
D.

题型：0101 期末题难度：| 查看答案

Lucy is enjoying learning English and she got ______ A this term. [ ]
A. an
B. a
C. the
D. /

题型：0107 月考题难度：| 查看答案

There is ________ bridge in the old town. [ ]
A. a 800-metre-long
B. an 800-metre-long
C. a 800-metres-long
D. an 800-metres-long

题型：月考题难度：| 查看答案

— What useful book! 　
— Yes, it is. But I find it difficult for me to read. [ ]
A. an, very　　　
B. a, too　　　
C. an, too　　　
D. a, quite

题型：专项题难度：| 查看答案

— Does the man need operation at once, Doctor Li? 　
— Yes, only small one. But the sooner, the better. [ ]
A. an, a　　　
B. a, a　　　
C. an, the 　　
D. ×, ×

题型：专项题难度：| 查看答案