题目内容
Cars moved very slowly in the 1930s,but they _________ faster than in the 1920s.?
| A.were moving | B.did move? |
| C.had moved | D.would move ? |
B?
19世纪30年代的汽车行驶速度非常慢,但是它确实比20年代的车快了很多,did move助动词did提前表示强调,确实……
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