问题
选择题
It was 4 o'clock when the front doorbell rang. Mrs. Clarke was __________ tea at the time.
A.cooking
B.making
C.burning
D.serving
答案
答案:B
It was 4 o'clock when the front doorbell rang. Mrs. Clarke was __________ tea at the time.
A.cooking
B.making
C.burning
D.serving
答案:B