—______is the street crowded with so many people?
—Because they are waiting to watch the boat races.
| A．Why | B．Where | C．How | D．Who |
We will have a big test ___________ June 12th. Good luck to you.
| A．in | B．on | C．at | D．By |
Who is ___________ man under the tree?
| A．a | B．an |
| C．the | D．/ |
More treesto protect the environment.
A、must plant
B、must be planted
C、should plant
Not only his parents but also hevery friendly to me.
A、are B、is C、be
Pleasethe papers to others.
A、give out B、look out C、find out