问题

____ he is very old, he is quite strong.
A: lthough
B:Because
C:While
D:Since ;
B:Because
C:While
D:Since ;
正确答案是:
同类题型
en are excited about the approach of Christmas,_____ may bring great happiness to them
What a nice MP5! Whose is it —It’s . My fatherbought me last week.
Why weren’t you at the meeting —I____ for a long distance call from my sister in America.
Do you know lady in red-Yes, I know her well. She is my neighbor, university professor.