13.Alexander Graham Bell invented ________ telephone in 1876.
A. / B. a C. the D. one
12.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
11.She is ________ newcomer to ________ chemistry but she has already made some important discoveries.
A. the; the B. the; a C. a; / D. a; the
10.________ Einsteins could not pay for ________ advanced education that young Albert needed.
A. The; the B. A; a C. An; the D. The; an
9.She’s on ________ People’s Daily.
A. the B. an C. a D. /
8.________ Mrs. Smith is waiting for you in your office.
A. The B. A C. One D. /
7.-What do you need in dinner?
-I need ________.
A. a knife and a fork B. a knife and fork
C. the knife and fork D. the knife and the fork
6.The sun gives us ________ heat and ________ light.
A. the; the B. a; a C. a; the D. /; /
5.Mr. Li will give us ________ talk. ________ talk will begin at 8:00.
A. a; The B. the; A C. /; / D. a; A
4.The warmth of ________ sweater will of course be determined by the sort of ________ wool used.
A. the; the B. the; / C. /; the D. /; /