Question

【题目】The Blacks are not going on holiday this year, mainly they can’t afford it.

A.unlessB.becauseC.thoughD.while

Answer 1

【答案】B

【解析】

句意：今年布莱克一家不打算去度假，主要因为他们付不起钱。

The Blacks are not going on holiday this year和they can’t afford it之间的关系，可知是表示原因，unless除非，because因为，though尽管，while当……时候；故选B。