—Do you have Lucy’s phone number?
—Sorry, ____.
| A．I don’t know | B．forget it |
| C．I can’t remember it | D．here you are |
34. I smell something______ in the kitchen. Can I call you back in a minute?
| A．burning | B．burnt | C．being burnt | D．to be burnt |
33. The weather turned out to be fine yesterday. I______ the trouble to carry my umbrella with me.
| A．should have taken | B．could have taken | C．needn’t have taken | D．mustn’t have taken |
32. The poor boy said he often went ______ and sometimes almost starved______ in the old days.
| A．hungry; deadly | B．hunger; death | C．hungry; to death | D．hunger; dead |
31. I like getting up very early in summer. The morning air is so good ______.
| A．to be breathed | B．to breath | C．breathing | D．being breathed |
30. Why are you so anxious? It isn’t your problem______ .
| A．on purpose | B．in all | C．on time | D．after all |