the river ( )to the sea.it's one of ( )rivers in the country.

问题描述:

the river ( )to the sea.it's one of ( )rivers in the country.
A.runs;the longest
B.runs; a longer
C.is run; the longest
D.run;a longest

A.runs;the longest
单数词配动词run需加s,*longest前需加the.
有任何疑问也欢迎提问,