單格填空第 44 題
Even as the economy struggled, the secretary stood by his ______ long-term outlook, saying that technology was allowing businesses to make deep-rooted improvements in their productivity, the best indicator of an economy's ability to grow.
| Blank |
|---|
| (A) arcane |
| (B) sanguine |
| (C) equivocal |
| (D) ambivalent |
| (E) irresolute |
出處：OV1, Mixed Practice Set 1, #3