22、Chrismas is _____ special holiday when _______ whole family are supposed to get together．

A．the, the             B．a, a                C．the, a              D．a, the

21、---Have you handed in your schoolwork yet?

---Yes, I have．I guess it ______ now．

A．has graded          B．is graded            C．is being graded      D．is grading

20、I have been living in the United States for twenty years, but seldom _____ so lonely as now．

A．have I felt          B．I had felt            C．I have felt           D．Had I felt

19、Eric received training in computer for one year, _____ he found a job in a big company．

A．after that           B．after which          C．after it             D．after this

18、Health problems are closely connected with bad eating habits and a _____ of exercise．

A．limit              B．lack                 C．need               D．demand

17、---Excuse me, could you tell me the way to the British Museum?

---Sorry, I'm a stranger here．

---_______．

A．Thanks，anyway  B．It doesn't matter      C．Never mind         D．No problem．

16、The information on the Internet gets around much more rapidly than ____ in the newspaper．

A．it                 B．those               C．one               D．that

15、Help others whenever you can ______ you will make the world a nicer place to live in．

A．and                B．or                  C．unless              D．but

14、The crowd cheered wildly at the sight of Liu Xiang, who was reported ______ the world record in the 110-meter hurdle race．

A．breaking           B．having broken       C．to have broken    D． to break

13、---Turn off the TV, Jack．____ your homework now?

---Mum, just ten more minutes, please．

A．Should you be doing                              B．Shouldn't you be doing

C．Couldn't you be doing                             D．Will you be doing