—I find it very difficult to read ________ novel you lent me last week.
—Yes. It's necessary to have ________ good knowledge of history.
| A．the；/ |
| B．a；/ |
| C．the；a |
| D．a；a |
I failed again in the examination and only then_______how much time I had wasted.
| A．I realized | B．I had realized |
| C．did I realize | D．had I realized |
—Why didn’t you say hello to him yesterday?
—What a shame!But never before_______I_______him.
| A．/;had met | B．have;met |
| C．did;meet | D．had;met |
—Did you enjoy reading that novel?
—Yes, _______such an interesting novel.
| A．never I have read | B．never have I read |
| C．ever I have read | D．ever have I read |
Nothing else_______more important than water in the place like a desert.
| A．we can’t find | B．can’t we find |
| C．can we find | D．we can find |
I finally found the job I longed for.Never in my life_______so happy.
| A．did I feel | B．I felt |
| C．I had felt | D．had I felt |