Question

---Cars moved very slowly in the 1930's．

---Yes，but，they ______ move more quickly than in 1920's．

1. A.
   were to
2. B.
   did
3. C.
   will
4. D.
   can

Answer 1

B
这句句子的意思是“一汽车在二十世纪三十年代速度很慢。一是的，但是他们在二十年代更慢。”这里的did是强调谓语动词moved，用表示过去的助动词did来作为动词的强调。