If you don’t know the words, ______ in a dictionary.
The new office is about 50 minutes _________ the centre of Nanjing _________ bus.
Daniel lives _______ his family _______ a flat _______ a quiet street.
Now children, turn to Page _____ and look at the _____ picture in Unit 1.
There is ______ “u” and ______ “s” in the word “use”.
I don’t like physics ______ it’s too difficult for me.