Edison was the first scientist___a modern research and developme

2024-01-16 10:02:13
中级语法题库

Edison was the first scientist___a modern research and development centre.

A.built

B.having built

C.to build

D.to be building

正确答案是C

上一篇：Tom ought not to____me your secret, but he meant no harm.

下一篇：Every minute is made full___of ____our lessons well.