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1 we shall have _ five lessons on _ Monday.  2 Let's go to the sport ground and play _ volleyball.  3 that's a good idea. 4 what's the matter? 5 what's the problem?  6 we have got a new teacher.  The teacher's name is _ Mr Green.  7 The Greens have got a nice house. The house isn't in _ London.  8 I met a funny little boy yesterday.  The boy said : " I can't play hide and seek." 9 In summer _ Mike lived in the country.  He saw a big tree there. The tree was very old. 10 We bought a armchair _ last Tuesday.  The armchair is comfortable.