It was at 5 o'clock ___________ the visitors finally arrived at Pudong International Airport.
—How long do you suppose it ishe arrived here? —No more than half a week.
Didon time make the teacher angry?
—Thank goodness, you are here! Whatyou? —Traffic jam.
You can hardly imagine the difficulty the woman hadher children.
Scientists are convincedthe positive effect of laughterphysical and mental health.