根据答语写出问句中所缺的连接代词或连接副词。

-- Can you tell me ________ picture is more beautiful?

-- The one on the right.

根据答语写出问句中所缺的连接代词或连接副词。

-- Tell me ________ they got to the park last Tuesday morning.

-- At ten o'clock.

根据答语写出问句中所缺的连接代词或连接副词。

-- I'm not sure _____ _____ it is from here to your house.

-- About two miles.

根据答语写出问句中所缺的连接代词或连接副词。

-- I don't know _______ you are going to do this Sunday evening.

-- See a film.

根据答语写出问句中所缺的连接代词或连接副词。

-- Do you know _____ _____ students there are in the classroom?

-- About fifty.