[反馈练习] 用所给词的适当形式填空。
1. Nancy ______ (begin)to learn ballet when she was five years old.
2. The naughty cat dropped the vase and it (break)into pieces.
3. Tom often home at five o'clock，but he home at six o'clock yesterday.(come)
4. I (try)the dress on in the shop last week and it (fit)me.
5. The day before yesterday，Bobby's parents (tell)the teacher that they (know)nothing about it.

1. began 2. broke 3. comes came
4. tried fit/fitted 5. told knew

[典例剖析] 用所给词的适当形式填空。
1. —Jenny looks （sad）. What's the matter? —She lost her new watch.
2. The owner of the house said （angry）to the man，“What are you doing here?”

1. sad；2. angrily

1. 句中look是系动词，后接形容词作表语，sad为形容词，符合语法要求，故填sad。2. 句中said是实义动词，需要用副词修饰，angry的副词形式是angrily，故填angrily。

[反馈练习] 根据句意或所给提示填空。
1. People looked at the funny monkey and laughed l.
2. She felt very t after a busy day's work，so she went to bed early.
3. It was cold at the top of the mountain，so each of us dressed （暖和）.
4. Sam is full of ideas and always offers some （use）advice（建议）.
5. “Keep in the library，Billy，” said Miss Yang .（quiet）

1. loudly 2. tired 3. warmly 4. useful
5. quiet quietly