Don’t forget to turn ________the lights when you leavethe office.

Did he break my glass________ — No. Quite by accident.

With the help of the new equipment, our factory produced ________ VCD players in 2001 as the year before.

When his father started questioning his explanation, he had to ____ more details for his mistakes.

If the weather had been better, we could have had a picnic. But it _____ all day.