----Could you tell me _____? I must find him.
----Sorry .I have no idea. But he was here just now .

—Why do you call him Mr. Knowledgeable?
—Because he knows almost everything        we want to know.

—Could you tell me     ?
—Certainly.

—Could you tell me_____ yuanxiao in china?
—Usually at Lantern Festival.

I don’t like the people ____ never help others.
A. whom           B. who                 C. whose

There will be a flower show in the park _____ we visited last week.
A. who             B. where               C. which

--Do you know ______?
--Yes. In five minutes.
A. when will the No.11 bus leave
B. when the No.11 bus will leave
C. when the No.11 bus left

 ---Do you know ________ this afternoon?
---I’m not sure, but I’ll tell you as soon as she ________.

----Please tell me ___________________an hour ago.
---He rode his bike.

-Can you tell me      ?   -I think it’s his.