问题: 选择题1
Some researchers believe that there is no doubt _____ a cure for AIDS will be found.
A.which
B.what
C.that
D.whether
选什么,为什么?
解答:
1.先看后面句子结构,不缺成分,a cure for AIDS will be found. 所以不选what,
2.doubt 若是否定或疑问句用that,肯定句用whether.
there is no doubt that....
I doubt whether you will come.
版权及免责声明
1、欢迎转载本网原创文章,转载敬请注明出处:侨谊留学(www.goesnet.org);
2、本网转载媒体稿件旨在传播更多有益信息,并不代表同意该观点,本网不承担稿件侵权行为的连带责任;
3、在本网博客/论坛发表言论者,文责自负。