1 The pen is broken give me【another】one.
2.I have two pens ,one is read ,【the other one或者直接填 one】 bule .
3.I have ten pens ,some are red ,【others】are bule .
4.I have ten pens three are red ,【seven】 are bule .
5.Some students in my dass like English ,【others】 like math .