下列全部为元音字母的一项是______.A. a, c, DB. A, o, qC. E, i, u
_______ it doesn’t rain, we can go fishing.
We didn’t start our party _______ everyone arrived.
The Project Hope has built many schools _______ those children can study happily.
Do you think _______ a concert in our city this weekend?
He asked me _______ we could go to Shanghai by plane.