_____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
.We arrived at the small town too late,almost at midnighe,we found there was no food ______as all the shops were shut.
. —What would you give me in ______ for my mobile phone? —My Mp5. Is it a deal?
-----What happened here yesterday? -----An adventurer was walking at the foot of the mountain ______ suddenly a stone fell and hit him on the head.
The teacher refused to have his daughter study in his class, ______ showing favour to her.
—I’ve heard they went skiing in the mountains last winter. —It ______ true because there was so little snow there then.