1.My dad promised to buy a new car and _____ it.

问题描述:

1.My dad promised to buy a new car and _____ it.
为什么选B 这个?A.that he would let me drive B.to let me drive
C.that I would ask him to drive D.promised to let me drive

因有and,要连接两个并列的结构,前面用了不定式to buy a new car ,故后面也用不定式 to let me drive .