________ that I was puzzled.
| A．So difficult a question did he ask me | B．Such difficult a question did he ask me |
| C．Such a difficult question he asked me | D．He asked me a so difficult question |
Seldom _________ any mistakes during my past five years of teaching in this university.
| A．would I make | B．I did make |
| C．should I make | D．did I make |
It was _________ he said _________ disappointed me at that time.
| A．what; that | B．that; that |
| C．what; what | D．that ； what |
It was only when I reread his poems recently _________ I began to appreciate their beauty.
| A．until | B．that |
| C．then | D．So |
Hardly _________ the house when he was caught.
| A．the thief had entered | B．entered the thief |
| C．had the thief entered | D．was the thief entering |
—I like watching TV, but I don't watch TV every evening. —__________________
| A．So do I | B．So I do |
| C．I do so | D．It is the same with me |