28. We have gathered nearly 100,000 quilts, ____ up to half have gone to the flooded-hit areas.
| A．of which | B．in which | C．with which | D．for which |
---Will you tell him I have come to visit him? ---All right, I will ______ he comes back.
| A．instantly | B．frequently |
| C．constantly | D．suddenly |
Chairman Xi Jinping suggested traditional Chinese classics _______ in textbooks when visiting Beijing Normal University on the Eve of Teachers’ Day.
| A．must be kept | B．must keep |
| C．is kept | D．be kept |
--- Thank you so much! How can I repay you for your kindness?
--- _____ . It was nothing.
| A．It depends | B．Forget it |
| C．Sounds great | D．Never mind |
--- What’s your idea?
--- My opinion is _____, _____ happens, we should not stop the reform.
| A．when; what | B．that; when |
| C．that; whatever | D．when; what |
Martin Smith who, at 22, is one of the male nannies (保姆) admits that it will be some time ______ male nannies are totally accepted.
| A．since | B．until |
| C．before | D．after |