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It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.
| A．/; that | B．where; which | C．/; where | D．what; which |
—How was that?
—I was chatting on line _____ the power went out.
| A．because | B．while | C．as | D．when |
Our teacher always speaks slowly and clearly in class _____.
| A．so as to be understood | B．to have understood |
| C．so as to understand | D．to understand |
—Are you satisfied with the answer?
—Not at all. It couldn't have been ______.
| A．worse | B．so bad |
| C．better | D．the worst |
By the time Mr Wang returned home from Beijing, his son's wedding _______.
| A．ended | B．has ended |
| C．had been ending | D．had ended |
So _______ that everybody wants to take a photo with him.
| A．a wellknown man he is |
| B．wellknown he is a man |
| C．a wellknown man is he |
| D．wellknown a man is he |