Question

With the development of production and science, radio ________ a wide use in a short time．

1. A.
   found
2. B.
   finds
3. C.
   have found
4. D.
   has found

Answer 1

D
解析：
该题考查动词的时态和主谓一致。本句陈述的是在极短的时间内，收音机得到广泛的应用，且此情况有延续下去的可能性，因此应该用现在完成时态。