在下列字母中,含有相同元音音素的一组是 .
----Mike wants to know if ________ a picnic tomorrow. ---- Yes. But if it ________, we will visit the museum instead.
----What did you see on the large farm last Sunday? ----Oh, I saw about three ________ hens and _________ of eggs.
----How many foreign workers are there in your company? ----There are five, three _______ and two _______.
----What were you doing this time yesterday? ----I ________ my homework at John’s house.
----What did Mr. John say just now? ----He told us _______ out of the window in class.