1.He made another wonderful discovery yesterday,____of great
1.He made another wonderful discovery yesterday,____of great importance to science
A.which I think is B which I think was
C I think which is D I think which was
感觉有点知道又有点不知道,希望能把ABCD都分析下啊
2.There has been a decrease____the number of students entering the college this year
A.on B in C over D of
介词搭配,