He was down in the mouthbecause he missed his plane．（ ）
| A． |
unhappy |
B． |
happy |
C． |
glad |
D． |
relaxed |
He was down in the mouthbecause he missed his plane．（ ）
| A． |
unhappy |
B． |
happy |
C． |
glad |
D． |
relaxed |
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