The professor ________at 8 o’clock，but he has not shown up yet，which worries all of us.

12. —– Why don’t you do some shopping in the second-hand store ? —— Well, the goods there are _____, but _____.

The love story between Mary and Peter wentpublic..–Well, that is why Mary’s parents were soawkward ___ the news. She is still a child..

Many Children ________ the Internet , and _____had a bad effect on their studies.

“When will your father _________ Shanghai” “He ________ at 8:00 this Monday.”