问题
选择题
The teacher was surprised to see lots of people_____at the back of the room _____worried. [ ]
A.seating;looked
B.seated;looking
C.sitting;looked
D.sat;looked
答案
答案:B
The teacher was surprised to see lots of people_____at the back of the room _____worried. [ ]
A.seating;looked
B.seated;looking
C.sitting;looked
D.sat;looked
答案:B