Lm và giải thích ạ e camon

C. have show by Jane, a friend of mine. A. SHUW B. have shown (D, have been shown 14. Up to the present, 14 books A. have been written B. are written C.were written D. will be written - 15. As planned, we our grandparents this weekend. C. are going to visit A. will visit D. is going to ...