问题补充:
We should make contributions our environment.
A. to protecting B. to protectC. protecting
答案:
解析:句意:我们应该为保护环境做贡献。make contributions to+Ving/n. 为···做贡献。protecting 做宾语,故选A
时间:2020-06-24 01:38:26
We should make contributions our environment.
A. to protecting B. to protectC. protecting
解析:句意:我们应该为保护环境做贡献。make contributions to+Ving/n. 为···做贡献。protecting 做宾语,故选A