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.．