139 — How did you spend you summervocation— I went to Beijing and stay there forfortnightThe underlined part probably means _____

He sold the vegetables at half price____ let themgo bad[ ]

The shoes made in Chengdu are usually of high quality, so they ________ long

Now a lot of new technologies can ________ problems inindustry.

Lincoln’s mother died ___ the farm ___ a cold winter morning of 1818