we need to conseve our resoures to bay ourselves time so sotentsts can find new solutions to our problems. ()
选项:
A:We should conserve our resources. If we do so the money we save vwill be used to find new solutions to our problems.
B:We should conserve our resources. If we do so the resources will probatbly last long enough for scientists to find new solutions to our problems.
发布时间:2024-06-11 22:09:20