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
推荐题目
________ terrible weather it was when tsunami and earthquakes happened in Japan.
#65889
A
How
B
How a
C
What
D
What a
_______ is reported in the newspaper that talks between the two countries are making progress.
#66020
A
It
B
That
C
As
D
Which
For further details about our newly developed products ________ our company's website.
#65901
A
visiting
B
visit
C
to visit
D
visited