If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
| A．are not observed | B．is not observed |
| C．were not observed | D．was not observed |
Tell the children ______ there not to make so much noise．
| A．play | B．played | C．playing | D．to play |
---Has your father returned from Africa yet?
---Yes, but he ____ here for only three days before his company sent him to Australia．
| A．was | B．has been | C．will be | D．would be |
–Mom, may I play the computer games for a while?
-- _________! Dad is in the study．
| A．Help yourself． | B．It’s up to you． |
| C．Behave yourself． | D．Go ahead． |
I don’t like the people who try to _____ you with how much money they’ve got．
| A．impress | B．show | C．press | D．strengthen |
_______ important advice father gave us the other day!
| A．What | B．What an | C．How a | D．How an |