用所给词的适用形式填空。

1.  Tom can play the guitar, but he can't play it ______ (good).

2.  —Can you swim?

     —No, I______ (can)

3.  We need help for ______ (we) school trip.

4.  Lisa can ______ (speak) a little chinese.

5.  There are many______ (club) in our school.

某小组有三名女生，两名男生，现从这个小组中任意选出一名组长，则其中一名女生小丽当选为组长的概率是______．