1 She no longer writes to me as often as she used to

2 I wrote this software program on my own

3 The exam had high standard. Consequently, many students fail the exams

4 Crops in the area can't grow well as there is little rain during the dry season

5 Not everyone was aware of the severity of environmental issues

6 Air pollution leads to many respiratory illnesses

7 The polluted environment causes birds to leave their habitats

8 Aquatic life suffers or dies due to thermal pollution

she didn't eat much. She was hungry (but)

he got wet. he forgot his umbrella (therefore)

we are saving money. we want to buy a new house (so)

it got dark. they continue to work (but)

she wears glasses. she wants to see better (because)

we didn't enjoy our holiday. the weather was had (so)

we don't use the car very often, we have decided to sell it (because)

the house was empty. we left a note on the door (so)
the train arrived. lan was having luch (while)

i leanred a lot about wildlife. i visited Cue Phuong National Park yesterday (after)

your parents come back. you should wait here (until)

i go to bed. i usually drink a glass of warm milk (before)

he came to my house. he came to my house (when)

she will pick her children up. she goes home (before)