Question

Prices____ all the time and no one knows when they         stable.

A．are going up; become	B．have been going up; will become
C．have gone up; will become	D．have been gone up; become

 

Answer 1

【答案】

B

【解析】考察時態。根據all the time一直可知第一空應該使用現在完成進行時。第二空是賓語從句，根據句意可知是將來時。句意：物價一直都在上漲。沒有人知道什么時候會穩定下來。故B正確。