下列字母都是元音的一组是______。
A young man at 8 p.m. last Sunday.
David is ___________ take this job. He is able to do all extra work.
Mike has much difficulty ________ Chinese so he often asks me ________ help.
_ we were walking along the river, we heard a cry for help.
A talk about how to look after pets _________ in our school next week .