__isleftovermaybeputintotherefrigerator，____itwillkeepf...

问题详情：

__ is left over may be put into the refrigerator，____ it will keep for two or three weeks．（　　）

A．Whoever； when     B．Whenever； which

C．Whatever； where  D．Whichever； while

【回答】

C

知识点：连词

题型：选择题