问题

I don’t know______. — Because he has to look after his mother.

A:why he is leaving
B:why is he leaving
C:whether he is leaving
D:whether is he leaving;

正确答案是：

同类题型

Who is the little girl in the picture—It’s me. The picture 10 years ago.

In a word, we live without plants.

k of life as a good book．The further you get into it,the more it begins to _____.

What does the sign over there say—In the museum no personbepermitted to take photos

Please ____. Because this is a reading room.