题目

 Growing plants indoors has always been taken up as a popular hobby. They can make your home more ___1__(cheer) and enjoyable. People are keen on the beautiful plants ___2__(call) succulents (多肉植物) and the trend is speeding___3__ (it) way into homes and gardens everywhere. Now everyone has suddenly grown a “green thumb”.                                                                                                                                  4x+=x÷=x÷=7.2-2x=3.8．