_________ TO THE NATIONAL PARK BEFORE, SUE WAS AMAZED TO SEE THE GE...

Lớp 9 Tiếng Anh TÀI LIỆU BỒI DƯỠNG HSG TIẾNG ANH LỚP 9

1. _________ to the national park before, Sue was amazed to see the geyser.A. Being not B. Not having been C. Have not been D. Having not been