They have held several meetings to _____next year’s production plans.

What do you think of Sanya–Oh，it’s a beautiful city．I there for several times．

The reason _____ their failure you know is ______ they didn’t get fully prepared for the experiment.

Could we see each other at nine o’clock tomorrow morning —Sorry, let’s make it ______________ time.

These machines can help recycle the waste which would ______be thrown away [ ]