He must have finished the work yesterday, _______ he ?
| A．mustn’t | B．haven’t | C．didn’t | D．hasn’t |
Stop _______me and do what you have been told.
| A．to argue with | B．arguing with | C．arguing | D．to argue |
Before my father moved off, he told me again and again that I should ______ the rules and regulations of the school.
| A．make | B．watch | C．remain | D．observe |
Measures have to be taken to teach young people how to ______ themselves both in family and in school. They don’t know the basic manners.
| A．do | B．perform | C．behave | D．work |
You have to learn how to be a ______ first, and then to be a student.
| A．human being | B．people | C．person | D．man |
______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.
| A．Because of | B．On account of | C．Due to | D．Thanks to |