21.In 1864,Lincoln was elected _____ President of ____ United States for the second time.
A.the; the B.a; a C./; the D./; /
20.Alexander Graham Bell invented ________ telephone in 1876.
A./ B.a C.the D.one
19.Wouldn’t it be ____ wonderful world if all nations lived in _____ peace with one another?
A.a; / B.the; / C.a; the D.the; the
18.Great changes have taken place in ________ 1990’s.
A./ B.a C.the D.an
17.________ Pacific Ocean is ________ largest of all.
A.the; a B./; the C.the; the D.a; /
16.I heard somebody playing ________ piano in ________ next room.
A.a; a B.the; the C.a; the D.the; an
15.-If you don’t like the red coat,take the blue one.
-OK,but do you have ________ size in blue? This one is a bit tight for me.
A.a big B.a bigger C.the big D.the bigger
14.Many people are still in ________ habit of writing silly things in ________ public places.
A.the; the B./; / C.the; / D./; the
13.I don’t like talking on ________ telephone; I prefer writing ________ letters.
A.a; the B.a; / C.the; the D.the; /
12.-Where is Jack?
-I think he is still in ________ bed,but he might be in ________ bathroom.
A./; / B.the; the C.the; / D./; the