问题 选择题

The local Tibetans and Sherpas laughed at the strange bottles containing ________ they referred to as “English air”.

A.which

B.that

C.how

D.what

答案

答案:D

D 考察宾语从句。What在本句中引导不一样从句,作为containing的宾语,同时what在参加作为to的宾语。

多项选择题
单项选择题 B1型题