_________ is known to us all that the earth is smaller than the sun.
| A．It | B．What | C．As | D．which |
the childall day long!
| A．Let, not to cry | B．Not let, cry |
| C．Don’t let, to cry | D．Don’t let, cry |
Let’sfootball in the street.
| A．not to play | B．not play | C．don’t play | D．not playing |
down the radio. The baby’s sleeping in the next room.
| A．Turning | B．To turn | C．Turn | D．Turned |
long time it lasted!
| A．What | B．What a | C．How | D．How a |
hardworking students they are!
| A．What | B．What a | C．What an | D．How |