The manager was concerned to hear that two of his trusted workers _____.
| A.are leaving | B.have left | C.were leaving | D.will leave | 
31.— How do you find your new classmates?
 — Most of them are kind, but ______ is so good to me as Bruce.
| A.none | B.no one | C.every one | D.some one | 
30.______ the news that her son was still alive, tears rolled down the old woman’s face.
| A.Hearing | B.heard | C.Having heard | D.When she heard | 
29.It will lead to very serious result if this matter was ______ unsolved.
| A.stayed | B.remained | C.left | D.Keeping | 
28.I didn’t enjoy the party very much. I knew ______ nobody there.
| A.hardly | B.nearly | C.almost | D.Mainly | 
27.After the adventure, the children returned home, ______.
| A.safe but tired | B.safely but tiredly | 
| C.safely but tired | D.safe but tiredly |