Combine the following pairs of sentences using suitable subordinating conjunctions given in the box below.
Wasi burst into tears. He heard the good news.
Wasi burst into tears when he heard the good news.
Himani was very nervous. She delivered a great presentation.
Though Himani was very nervous, she delivered a great presentation.
This is the place. I was born.
This is the place where I was born.
The students performed very well. They studied diligently.
The students performed very well because they studied diligently.
Water the plants. They will die.
The plants will die unless you water them. / Water the plants, otherwise they will die.
Explanation
(1) The conjunction 'when' shows the time relationship between the two actions. (2) The conjunction 'though' shows contrast between being nervous and delivering a great presentation. (3) The conjunction 'where' indicates location/place. (4) The conjunction 'because' shows the cause/reason for performing well. (5) The conjunction 'unless' shows condition (if not). The sentence can be: 'Water the plants unless you want them to die' or restructured appropriately.