—He_______to the meeting. Have you informed him of it? —Sorry. I _______to.
44. _____ the _____ of modern industry, the pollution is becoming more and more serious.
43. Our national scenery Zhangjiajie is so charming that it is _____ description.
42. In China children, even in their twenties depended _____ their parents _____ food and clothing.
41. During her study in Massachusetts Institute of Technology she has got the degree _____ PhD, and it is a degree ______ chemistry.
40. Let’s put our heads together and decide _____ a plan of action.