Use the given words or phrases to make complete

B. Use the given words or phrases to make complete sentences.                                                                       
37. She/ have/ meeting/ 7 a.m/ tomorrow/.
→  ____________________________
38. There / a lot / outdoor / activity / for / children / the countryside / .
→  _____________________________
C. Put the words in the correct order to make correct sentences.
39. Let's / on/ 6.45 a.m./ at/ meet / Saturday morning / .
→  _______________________________
40. There / too / people / in / are / this room / many / .
→  ________________________________