题文
—The air is full of smoke and people are coughing.
—It will get worse________the government does something about the pollution.
| A.but |
| B.unless |
| C.except |
| D.if |
推荐试卷
—The air is full of smoke and people are coughing.
—It will get worse________the government does something about the pollution.
| A.but |
| B.unless |
| C.except |
| D.if |
试题篮
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