观察下列每组单词，判断它们各有几种读音, 并将编号填入格内。
| A．一种 | B．二种 | C．三种 | D．四种 |
（1）sport born worker word
（2）bread sweater great easy
（3）answered watched cleaned visited
（4）watches lives classes knives
I've______lots of stamps.
| A．getting | B．got | C．gotting | D．get |
You can have ______Chinese stamp.
| A．the other | B．another | C．others | D．other |
These are some stamps ______Canada.
| A．from | B．for | C．of | D．at |
找出与所给单词画线部分发音相同的一项。(20分)
( )（1）fromA．those B．hobbyC．mother D．collect
( )（2）stampA．haveB．another C．famousD．Canada
( )（3）lookA．tooB．school C．afternoonD．foot
( )（4）letterA．weB．theseC．MexicanD．women
把下列单词每次加一个字母变成新的单词。(15分)
he→( )→( )→( )