What did she want to know,Tom?She wondered______we could complete_英语解答

What did she want to know,Tom?She wondered______we could complete the experiment
为啥不能填it was when

人气：147 ℃　时间：2019-11-04 23:29:53

解答

when
如果用强调句,应该是：
when it was that
when 虽然可以是被强调部分,但作为引导宾语从句的连接词,必须置于从句之首