Question

【题目】Kate's dad is getting old. She will go back home to see him __________ it is convenient.
A.because
B.whenever
C.although
D.unless

Answer 1

【答案】B
【解析】句意：Kate的爸爸老了，她只要方便的时候就会回去看他。because因为；whenever无论何时；although虽然；unless除非，如果不。根据句意可知选B。