Upon appearing first as a tiny speck in the night sky, some comets can eventually grow quite large in appearance.
(A) Upon appearing
(B) Appearing
(C) The appearance of
(D) When appearing
(E) To appear
Help to me answer this question...........
(A) Upon appearing
(B) Appearing
(C) The appearance of
(D) When appearing
(E) To appear
Help to me answer this question...........












