He arrived here at noon, ________in the day, and he went out and came back ________ in the day.
We tried to _________his doubts and let him tell the truth.
The police ________him to see if he had a gun.
Is this museum _______some German friends visited the day before yesterday?
The visitors saw rows of houses the roofs _______are red.
As is known to all, China _______the group of developing countries.