I wonder why they______you so much money for such a book.A．chargedB．costC．askedD．required

Tom _______ have kept his promise. I wonder why he changed his idea.A、needB、shouldC、must

I wondered if she could have the opportunity to spend______here so that she could learn mo

--I wonder why Mr. Brown hasn t showed up at the meeting yet. --I m not sure but he____

I forgot to return the book to you yesterday. So I _____________today.A.might do itB.mu

——I wonder if you are free tomorrow evening. I’d like to arrange an interview with you.——__________.

I wonder why Jenny ________ us recently. We should have heard from her by now. A.hasn’t writtenB.doe