The workers did all ___ good care of the old man.
A. they could to take
B. they could take
C. which they could to take
D. what they could to take
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Of all the things in the world, I think life and love are ____.
A. very much precious
B. more than precious
C. the preciousest
D. the most precious
The photographs of other planets taken by satellite are clear than ___.
A. the earth
B. those taken from the earth
C. those of the earth
D. of the earth
Why ___? It is not very serious.
A. to worry
B. worry
C. not worry
D. you are worried
___ the road, don’t forget to look both ways.
As crossing
B. While you cross
C. While crossing
D. Cross
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