Question

【题目】By the time you can afford a house, the prices of housing ________ greatly.

A. will increase B. will have increased C. are increasing D. have increased

Answer 1

【答案】B

【解析】考查动词时态。句意：等你能买得起房子，房价已经涨了很多了。by the time引导的时间状语，主句要求使用完成时。根据句意可知，此处表示未来的时间，主句应使用将来完成时。故选B。