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     our earth, or else it will be no longer fit for us to live on.
#65875
A
Protected
B
To protect
C
Protecting
D
Protect
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________ it is to have a cold drink on such a hot day!
#65948
A
What a fun
B
How fun
C
How a fun
D
What fun
—________ fine weather it is today!—Let's go for a picnic.     
#66070
A
What
B
How
C
What a
D
How a
     our earth, or else it will be no longer fit for us to live on.
#65875
A
Protected
B
To protect
C
Protecting
D
Protect
The smoggy weather has made us realize ________ terrible problems we are faced with.
#65905
A
how
B
what
C
that
D
which
          to the left, and you will see the railway station.
#66142
A
Turning
B
To turn
C
Turned
D
Turn