1/ Nga went to bed early because she was tired after her trip

-> Nga was tired after her trip

2/ She must stay in bed because she was ill

-> She was ill 

^{_{\(\dfrac{1}{\sqrt{3+2}}-\dfrac{1}{\sqrt{3-2}}\)}}

My son isn't tall

-> I wish

He bought a box of chocolates last week

-> A box of chocolates

Nowadays, people use a computer to do that job

-> nowadays, a computer ..................................

What a pity! Ly can't pass the exam

-> I wish