摘要： - important tool the computer is! -think so. A. What a B. How C. What an D. How an

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—___________ important tool the computer is!
—I think so.
[     ]
A. What a
B. How
C. What an
D. How an
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— ______ important tool the computer is!
— I think so.

[     ]
A. What a
B. How
C. What an
D. How an
查看习题详情和答案>>

?________ important tool the computer is!

?I think so.

A. What a

B. How

C. What an

D. How an

 查看习题详情和答案>>

?________ important tool the computer is!

?I think so.

A. What a

B. How

C. What an

D. How an

 查看习题详情和答案>>

?________ important tool the computer is!

?I think so.

A. What a

B. How

C. What an

D. How an

 查看习题详情和答案>>