---Can you tell me what the Olympic motto(宗旨) is?------___________.
----What do you want to do for vacation? ------I_____my grandmother.
Although he is a little boy,_____he speaks English well.
——I have a sore thoat. ——________.
_____can work out the problems because _____of the problems is easy.
I have to look after____and ____sister today.