He fell asleep while he _______________ (read) a book.
举一反三
- He fell asleep with a book ______ open on his knee.
- John fell asleep ___ he was listening to the music. A: after B: before C: while D: as soon as
- 49. John fell asleep _____ he was listening to the music. A: after B: before C: while D: as soon as
- 49. John fell asleep _D__ he was listening to the music. A: after B: before C: while D: as soon as
- He said he had finished ________ the book. A: read B: reading C: to read D: to be read