While Tom (play)…… the piano, his mother was doing the washing-up.
- A. was playing
- B. were playing
- C. played
- D. play
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CÂU HỎI KHÁC
- I (be)___ a student in Moloxop School in 1998.
- A number of (duck) ___ (go) ___ through here, yesterday.
- While Tom (play)…… the piano, his mother was doing the washing-up.
- He (drink) some juice and then he ate a few chips.
- I (have) dinner when I suddenly heard a loud bang.
- When it (start) to rain, our dog wanted to come inside.
- I (not / understand) what they were talking about.