It's 9：00 in the morning now． The students from Grade Nine an important exam．（ ）
| A． |
have |
B． |
had |
C． |
are having |
It's 9：00 in the morning now． The students from Grade Nine an important exam．（ ）
| A． |
have |
B． |
had |
C． |
are having |
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