13. His ability is beyond question; _____ has been in doubt is ____ he is prepared to work hard
A.what; that | B.which; whether | C.what; whether | D.that; that |
相关知识点
推荐套卷
13. His ability is beyond question; _____ has been in doubt is ____ he is prepared to work hard
A.what; that | B.which; whether | C.what; whether | D.that; that |