Question

Cathy wonders if her teacher _______ to her house. If she _______, what will she say to her parents?

A．comes, comes	B．will come, will come
C．comes, will come	D．will come, comes

Answer 1

D  

if既可以引導(dǎo)賓語從句又可以引導(dǎo)狀語從句。if充當(dāng)賓語從句的連接詞時(shí)，相當(dāng)于whether，詞義為“是否”，遵循賓語從句的時(shí)態(tài)規(guī)則，可根據(jù)語境選擇任何時(shí)態(tài)；充當(dāng)從屬連詞，引導(dǎo)條件狀語從句時(shí)，詞義為“如果”，若主句中的謂語動(dòng)詞用一般將來時(shí)，則從句中的謂語動(dòng)詞通常用一般現(xiàn)在時(shí)表示將來。