We often heard him _________ in his room.
A: to sing
B: sings
C: sang
D: sing
A: to sing
B: sings
C: sang
D: sing
举一反三
- He ________ in the next room. A: is often heard to sing B: often heard to sing C: is often heard sing D: is often hearing to sing
- He was often heard ( ) in the next room. A: sing B: sung C: to sing D: singing
- I heard him ________ an English song half an hour ago. A: to sing B: singing C: sing D: sang
- I have often heard the ABC Song__________, but I have never heard Alice__________it. A: to be sung; to sing B: eing sung; sang C: sung; sing D: sang; singing
- I often hear her ______. A: sung B: to sing C: sing D: sang