下列各组字母中全部是元音字母的是 ____。A. a, e, o, r B. a, i, u, e C. o, u, e, n
---Have you heard the good _______? ---Yes! The radio says China will send an explorer(探险家)to Mars.
The ___ man told us his past days before he ____. His __ made us very sad.
My friend Tom _______me __________ for an hour yesterday.
The dogs were made __________ as fast as they could.
Mrs. Smith was worried about both of her daughters, especially the ________ one.