The Wilsons live in （ ） A - shaped house near the coast. It is （ ） 17th century cottage.
（A）the; /
（B）an; the
（C）/; the
（D）an; a
For a long time they walked without saying （ ） word. Jim was the first break （ ） silence.
（A）the; a
（B）a; the
（C）a; /
（D）the; /
As is known to us all, （ ） tiger is in （ ） danger of becoming extinct.
（A）the; a
（B）the; /
（C）a; /
（D）/; the
