问题
选择题
I saw him _____ behind the tree, thinking.
A.sat
B.seated
C.seating
D.seat
答案
答案:B
seat是及物动词,没有宾语时要用被动形式
I saw him _____ behind the tree, thinking.
A.sat
B.seated
C.seating
D.seat
答案:B
seat是及物动词,没有宾语时要用被动形式