I am sure that he is _____ a lie. [ ]

A. saying

B. talking

C. speaking

D. telling

句型转换:请按括号内的要求完成下列句子,每空一词(含缩写).（10分）

小题1:This is my book. (改为一般疑问句)  _____  ______  ______ book?

小题2:This is a dictionary. (画线部分提问)    ________   this?

小题3:Is this your ruler? (否定回答)    _______,  ______   ______.

小题4:Is that her watch? (改为肯定的陈述句) _______  _______ her watch.

小题5:How are you? (回答)   ______  fine.