There is a tall tree _______our classroom.
| A．in front of | B．in the front of |
| C．before | D．after |
—________．Have a seat．
—Thank you．
| A．All right |
| B．That’s your home |
| C．Make yourself at home |
| D．It’s a great pleasure |
The Olympic rings are the________of the Olympic Games．
| A．name |
| B．symbol |
| C．mark |
| D．emotion |
—How was your trip in Beijing?
—Not bad．My friends________their way to make me feel at home．
| A．did their best |
| B．went out of |
| C．used out |
| D．used up |
Water is very important to us．We can’t live________it．
| A．except |
| B．with |
| C．besides |
| D．without |
They found________difficult to communicate with the boy．
| A．it |
| B．that |
| C．this |
| D．one |