时间:2022-09-10 13:28:58
_______ is the most useful invention?
A.Do you think which of these
B.Which of these do you think
C.Which of these you think
D.You think which of these
答案及解析: B
解析:
考查插入语。do you think是插入语,去掉后不影响句意,当that后用特殊疑问词时,不能省略that,A项错。故选B。