"Yan Ning is one of 25 foreign associates（院士）in the US National Academy of Sciences．"
"____ excellent she is!"（ ）
| A． |
What an |
B． |
What |
C． |
How |
"Yan Ning is one of 25 foreign associates（院士）in the US National Academy of Sciences．"
"____ excellent she is!"（ ）
| A． |
What an |
B． |
What |
C． |
How |
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