I heard my sister singing an English song.
举一反三
- I heard him ________ an English song half an hour ago. A: to sing B: singing C: sing D: sang
- When I went to see her yesterday, I heard a song ______ by her. A: sing B: to sing C: singing D: sung
- She ______ (sing) an English song now. A: is singing B: are singing C: was singing D: does sing
- —What did Mr. Black do in the middle of the night —Well, I’m not sure, but he was often heard (). A: singing the same song B: to sing the same song C: sing a same song D: to be playing same song
- My sister is ________ English professor in a university in Changchun.