A.It may take a long time to find a solution to the problem.
B.It might take a long time to find a solution to the problem.
C.It could take a long time to find a solution to the problem.
D.It should take a long time to find a solution to the problem.
长理培训客户端 资讯,试题,视频一手掌握
去 App Store 免费下载 iOS 客户端