1 Mom had to do everything without the help of modern equipment
2 You have to keep all dangerous objects out of children's reach
3 Unfortunately, the new wife was very cruel to Little Pea
4 He lit the straw and the fire burned the tiger
5 One thing that he needs to improve is pronunciation
6 There are also a number of different ways of learning the same words
7 You must put all chemicals and drugs in locked cupboard
8 He isn't old enough to be in my class
9 He worked with deaf-mutes at Boston University
10 He demonstrated his invention at a lot of exhibitions
11 Traveling all over America, Bell demonstrated his invention to the public at countless exhibitions
12 Mom had to do everything without the help of modern equipment
13 He lit the straw and the fire burned the tiger
14 As Little Pea ran to the festivals, she dropped one of her shoes and lost it
15 Ha used to go to school in the morning last year
16 The new iPhone isn't cheap enough for him to buy
