—Lucy, when will you plant trees, this Saturday or Sunday?— time is OK. You decide.
Sir, would you mind nothere, please?
Miss Green isn’t in the office. Sheto the library.
I didn’t hear your call because Ito music at that time.
---Must we get to the airport before 8 o’clock? ---No, you .The plane takes off at 12 o’clock.
---Do you knownow? ---.Outside the school gate.