With the loud noise going on in the workshop, I can hardly on my lessons．
| A．put | B．rely | C．concentrate | D．center |
35. She couldn’t have answered the question if she ________ a few books on world history.
| A．hadn’t read | B．hasn’t read | C．wouldn’t read | D．didn’t read |
34. I really don’t know ________ I had my money stolen.
| A．when was it that | B．that it was when |
| C．where it was that | D．it was where that |
33. The child looked_________ at his brother who was badly wounded.
| A．sad | B．worry | C．sadness | D．Sadly |
32. Everyone was on time for the evening---_____Chris, who’s usually ten minutes late for everything.
| A．but | B．only | C．even | D．Yet |
31. Tom and his father_______America last week, and arrived there this Tuesday morning.
| A．set for | B．set off | C．set off for | D．set off to |