问题
选择题
We have to visit our grandparents this winter vacation because we miss each other very much.
A．back to
B．get back
C．get back to
D．return back
答案
答案：C
本题中的have to后跟动词原形，故不选A，返回到某地或做某事可说get back to do或return to do，故本题选C。