根据句意和汉语注释，在空格内写出各单词的正确形式。
After watching such boring _______ (广告), she felt very bored and turned off the TV.
The sunny boy I know is _______ (幽默)in his class. 
The _______ (长途汽车)over there look very crowded. Shall we take a taxi instead?
The boy looked so _______ (紧张)at the teacher that he could say nothing.
The food cooked by his mother always _______ (尝)rather good, doesn't it?