Who___(speak) at the meeting yesterday?

问题描述:

Who___(speak) at the meeting yesterday?

He often hears his neighbour___(sing)in the morning

I saw the girl__(shop)with her mother when I___(drive)past last night

纠正楼上第二题,由于出现了Often,所以他是经常听见邻居在唱歌,所以用
Hear sb do
所以是sing