He was last seen _________in his office at about 7:15 p.m..
Two hundred thousand,three hundred and sixty means ___________.
You look so tired. Why ____________ to have a rest ?
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.