.__________ about wild plants that they decided to make a trip to Madagascar for further research.
Thanks to modern technology which has now broken the law of seasons, farming is no longer _______ weather and temperature.
While there are clear signs of a _______ recovery in the global economy, the country still faces a very difficult situation.
Simon has lived in Spain for more than 10 years, but _______ enough, he can’t speak a word of Spanish.
Many parents prefer kindergartens to spend more time teaching math and Chinese to help their kids _______ an early lead in primary school performance.
A new study finds that sitting can shorten a person’s life almost as much as smoking can, which _______ just how damaging inactivity can be.