Question

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

1. A.
   comes, comes
2. B.
   will come, will come
3. C.
   comes, will come
4. 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，相當(dāng)于whether，詞義為“是否”，遵循賓語從句的時態(tài)規(guī)則，可根據(jù)語境選擇任何時態(tài)；充當(dāng)從屬連詞，引導(dǎo)條件狀語從句時，詞義為“如果”，若主句中的謂語動詞用一般將來時，則從句中的謂語動詞通常用一般現(xiàn)在時表示將來。