Firstly, sitiing all day in front of the computer can cause health problems such as eyetiredness and obesity.
The wind is blowing strongly than it did yesterday.
strongly - more strongly
How much is this traditional costume? -> How much does .............?
How much does this traditional costume cost?
The word has the OPPOSITE meaning with "put on" : (put off/ put out/ take out/ take off)
take off
She is always (interested/ addicted/ hooked/ fallen) in something nice and cute even though they are useless.
interested
Countryside is not polluted (although/ however/ therefore/ as) you can breathe there fresh air.
therefore
The terraced fields of Sa Pa have entered (on/ in/ at/ off) .the Top 11 most beautiful terraces in the world according to Touropia.
in
It (has taken/ has spent/ hass waste/ has used) him so many years to collect stamps. Now his collection is very large and valuable.
has taken
The highlands of northern Vietnam are home to the 1.5 m (Vietnam’s largest/ the Vietnam’s largest/ a Vietnam’s largest/ the largest Vietnam)_ minority group.
the Vietnam’s largest
Yoga help us learn (how/ what/ when/ why) to co-ordinate breathing and movement.