good manners to say “Sorry” when you knock into someone but no need to say it again and again .
| A．There are ; there is | B．It is ; there is | C．There is ; it is | D．It is ; it is |
Ladies and gentlemen, please remain ________ until the plane has come to a complete stop.
| A．seated | B．seating |
| C．to seat | D．seat |
A love marriage, however, does not necessarily ____ much sharing of interests and responsibilities.
| A．take over | B．result in | C．hold on | D．keep to |
Knowing how long the test would last, the students who finished ____ back and waited until the end of the exam.
| A．settle | B．settled | C．settling | D．to settle |
The captain ordered the crew to throw ____ the side of the ship all heavy guns and even stores in order to raise the boat in the water.
| A．on | B．through | C．across | D．over |
---What do you think of the dinner in Mr Brown's?
---Oh, great! We have never had a better one. It's a dinner of twenty ____.
| A．drinks | B．people | C．tables | D．courses |