4.　　　 Mary and Rose _______friends since they met in 2000.　

A. have made　 B. have been　 C. made　　 D. have become

3.　　　 The factory ________ since the February of 1988.　

A . has been open　 B. has opened　 C. was open　 D. opened

2. I ______ the League for 5 years so far.　

A. joined　　 B. have joined　 C. have been in

补充练习：

1.　　　 When he arrived at the bus stop, the bus ________ for 20 minutes.

A. has left　　 B. had left　 C. has been away　　 D. had been away

非延续性动词在肯定句中与表示时间点的状语连用，如：two years ago; at 5 o'clock;

例:He died 5 years ago.

　　 否定的终止性动词可以与表示时间段的时间状语连用。例:I haven't left here for 3 years. I haven't heard from him for 3 weeks.

　　 表示时间段的短语有:for+一段时间,for 2 years; since从句,since he came here; since+时间点名词,since last year, since 5 days ago; how long; for a long time等。

　　 例:He has lived here for 6 years.　 You can keep the book for 5 days. I stayed there for 2 weeks last year.　 How long did you stay there last year?

6、看心理学家　　 see a psychologist　

5、以积极的方式　　　 in the positive way

3、代替…　　 instead of… /instead 用于句后

2、面对挑战　　　 face the challenges