【2013江苏连云港】 — It's a wise ________ to wear the white tie. It matches your shirt well.— Thank you very much.
The kids are doing some experiment ______ the farm in the country.
We are listening the weather report _____ the radio.
Sandra said she would be back _____ this morning.
Do they work _____ the day time or _____ night?
Lily had left ______ the time we arrived.