问题补充:
— people are there in the meeting room?
—About 200.
A. How many
B. How long
C. How much
D. How often
答案:
(答案→)A. How many
B. How long
C. How much
D. How often
解析:句意:---在会议室有多少人?---大约200。A. How many多少,后加可数名词复数; B. How long多长时间; C. How much 多少,后加不可数名词; D. How often多久一次。故选A。