问题:
一Where is your friend?
一I _____ he"s at home.
[ ]
A. 1ook at
B. know
C. see
D. think
一Where is your friend?
一I _____ he"s at home.
B. know
C. see
D. think
一I _____ he"s at home.
[ ]
A. 1ook at B. know
C. see
D. think
参考答案: