The American Civil War lasted four years the North won in the end.
| A．after | B．before |
| C．when | D．then |
相关试题
Two years ago, the 9-year-old girl set up ___ organization named Angel to help ____ homeless.
| A．the; | B．; the | C．an; a | D．an; the |
For miles around me there was nothing but a desert, without a single plant or tree ______.
| A．on earth | B．in sight | C．at a distance | D．in place |
More and more people choose to shop in a supermarket as it offers a great ____ of goods.
| A．expression | B．mixture | C．variety | D．combination |
So difficult ______ it to live in an English-speaking country that I determined to learn English.
| A．did I feel | B．I have felt | C．have I felt | D．I did feel |
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