Make the sentences interrogative
1 The delegation is to arrive at 5 o'clock 2 Our personnel Manager is in Moscow now 3 Our holiday was spoiled by bad weather 4 It is raining 5 The teacher was satisfied with the answer 6 Your explanation is too complicated 7 Our business with that company is very important for us 8 It is very economic to leave the lights off when you are not in the room 9 All men are equal 10 My friend will be an accountant in a year