Is this the reason at the meeting for his carelessness in his work?
| A．what he explained | B．how he explained |
| C．he explained | D．why he explained |
He became the ________ of criticism by the readers for his newlypublished book.
| A．target | B．theme |
| C．fortune | D．figure |
________ an hour every day has made a considerable difference to my health.
| A．Having walked | B．Walk |
| C．Walking | D．Walked |
Be careful，for the delicate glass ________ easily.
| A．is broken | B．breaks |
| C．will break | D．has broken |
—Mo Yan was awarded the Nobel Prize for Literature.
—He certainly ________ that honor，for his works are so popular.
| A．reserves | B．deserves |
| C．observes | D．respects |
—Can a person enjoy the pleasure from his work?
—________ he can have his interests and the work combined.
| A．Although | B．Since |
| C．While | D．Unless |