Cars moved very slowly in the 1920s, but

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问题选择题

Cars moved very slowly in the 1920s, but they ______ move more quickly than in 1910.

A. were to
B. did
C. would
D. can

答案

答案：B

单项选择题 A型题

构成细菌毒力的是（）

A.特殊结构

B.侵袭力和毒素

C.基本结构

D.分解代谢产物

E.入侵机体的途径

选择题

During the earthquake, many school buildings fell down. _______ the people there didn't give up hope. [ ]

A. And

B. So

C. But

D. Or