问题

It was only after she had read the papers _______ Mary realized the homework before her was extremely difficult to complete.

A:when
B:that
C:which
D:what

正确答案是：

同类题型

I haven’t seen Tom for yearsAny news about him?—Hein a toy factory for two yearsNow he’s working on a farm

What’s she doing for vacation——She’s _____ Beijing.

29．—May I speak to your manager at three o’clock tomorrow afternoon ?—I’m sorry, He to Shanghai by then

She wondered uneasily what use she would _____ this opportunity.

The text is very easy for you. There are________ new words in it.