问题

He doesn’t think the question of ________ they are boys or girls is important.[ ]

A: if
B: whether
C: which
D: that

正确答案是：

同类题型

Betty had nothing to do last Sunday afternoon, ____________

Their performance was much better than_________.

changes have taken place in that schoolIt is no longer it was 20 years ago, itwas so poorly equipped

ng after drinking alcoholshould be punished, I think—Sure,it is several months________ the ban came to effect in the wholecountry

Jack, is there in today’s newspaper