1. was not / to be / She / in my class / old enough / .
à .................................................................................................................................................
2.on the right side / There is / of the room / a bookshelf / .
à ................................................................................................................................................
3.this form / and ask her / Take / to sign it / to your teacher / .
à ................................................................................................................................................
4.He was young / to swim / when / Tuan used / in the morning / .
à ................................................................................................................................................
5.to help me / It’s / of you / with this math problem / very kind / .
à .................................................................................................................................................
6.in comfort / the weather / and / won’t notice / Customers will shop / .
à .................................................................................................................................................
7.teenagers rely on / more than / Nowadays, / technology / in the past / .
à .................................................................................................................................................
8.improve / regularly / so as to / his health / does morning exercises / He / .
à ..................................................................................................................................................
9.The weather / warm enough / for them / is / in the garden / to play catch / .
à .................................................................................................................................................
10.had to / without / Mom / of modern equipment / do everything / the help / .
à .................................................................................................................................................
11.It is / for young children / into electrical sockets / to put anything / not safe / .
à .................................................................................................................................................
12.in the mountains / ways of life / still keep / Some minorities / their traditional / .
à .................................................................................................................................................
13.discuss the situation / they have organized / in order to / a community meeting / .
à .................................................................................................................................................
14.his invention / successfully / Alexander Bell / at a lot of exhibitions / demonstrated / .
à .................................................................................................................................................
15.people had to do / In the past, / modern equipment / without the help of / everything / .
à .................................................................................................................................................
16.with ways of / over a long distance / He started / transmitting speech / experimenting / .
à .................................................................................................................................................
17.the tiger / He tied / to a tree / it / because / with a rope / he didn’t want / to eat the buffalo / .
à .................................................................................................................................................
18.plant trees / in the school garden / and water them / We are going to / and flowers / after class / .
à .................................................................................................................................................
19.because someone / Each year, / and injures children / plays with matches / fire destroys homes / .
à .................................................................................................................................................
20.should try different ways / so as to find out / of learning words / Language learners / the best way for themselves / .
à .................................................................