The traffic rule says that the children ______less than 40 pounds and under the age of four must be in a child safety seat.
A team, ________two doctors and three policemen ,was sent to search for the lost explorers.
It was not what he said but the way he said it ________ hurt his son deeply.
—May I open the window to let in some fresh air?—
--- Do you mind my opening the window? It’s a bit hot. ---- ________, as a matter of fact.
I knew we would be friends ____ I met you on campus.