--- ________ David be the new chairperson of the Students’ Union?--- He _______ be, but I’m not sure.
----Don’t forget to give my best wishes to your uncle. ----_________.
----Why do you always sleep ________? ----Because I’m afraid of the dark.
China is larger than _________ in Africa.
Mr. Li asks us to remember that __________ careful we are, _________ mistakes we will make.
----Would you like to go to the amusement park? ----If Jack does, __________.