— What is our head teacher like,do you know?
— Oh,he is very kind _____ he looks very serious.[ ]
A. because
B. though
C. if
D. when
答案:B
— What is our head teacher like,do you know?
— Oh,he is very kind _____ he looks very serious.[ ]
A. because
B. though
C. if
D. when
答案:B