A. a; a B. a; the
21. Mary became ___monitor （班长）of our class.
A. a B. an C. / D. the
22. I didn’t know why he looked angry when I patted him ______.
A. on the head B. on head
C. on a head D. on his head
23. He left ______ with my secretary that he would call again in the afternoon. He said he would keep ______.
A. words; his words B. word; his word
C. word; word D. the word; his words
24. His dream was to turn ____ doctor.
A. / B. the C. a D. one
25. My mother asked me to repeat ______ telephone number ______ second time so that she could write it down.
A. the; a B. an; the C. an; a D. the; the
26. The moment you step on ___ board the ship to the
A. a, the B. a, / C. the, the D. /, the
27. I usually go out for ___ walk after____ tea;
A. a; / B. /; the C. a; a D. the; a
28. I waited until James and Johnson came. Then ____ began to study a map.
A. all of them B. the three of us
C. three of us D. both of us
