She ought to stop work; she has a headache because she ________ too long.

       A．has been reading                           B．had read

       C．is reading                                     D．read

Ⅴ．用动词的适当形式填空

1．If time_____________( allow), we shall go there tomorrow.

2．It is the first time that I __________________(visit) the city.．

3．Now it’s 11o’clock.  It’s time I________________(pick) up my son.

4．Since I won the big prize, my telephone hasn't stopped ringing. People ___________________(phone) to ask how I am going to spend the money.．

5．I______________(phone) my sister three times today but her line was always busy．

6．I _____________ (phone) my sister last night but her line was always busy．

7．When the winter comes. It ______________(get) colder and colder．

8．Months ago we sailed ten thousand miles across this open sea, which ____________(call) the Pacific．

9．―_____ you ________ (leave) for Beijing?   

―Yes.  And I’ll come back in three months.．

10．―Kate doesn’t look very well. What’s wrong with her?

    ―She has a headache because she ______________(read) too long; She ought to stop work.．