Was it not until you began to write ______ you should have remembered more words?
| A．did you realize | B．that you realized |
| C．did you not realize | D．that you didn't realize |
I was told that the water of the Ganjiang River is much cleaner than ____ of the Xiangjiang River.
| A．those | B．one | C．that | D．ones |
She didn’t allow the accident to discourage her. On the contrary, she began to work.
| A．as twice hard | B．twice as hard |
| C．twice as harder | D．harder twice |
Thank you for the great effort you _____ to find us the right person for the job．
| A．had | B．got | C．took | D．made |
— You look tired.
— Yes. I ___ non-stop until 8 o’clock this morning.
| A．had worked | B．work | C．have worked | D．was working |
People are living in ___ world where mouse clicks rule our life, so online searches have become _____ must.
| A．the; / | B．/; a | C．a; a | D．a; the |