By 2025, when the number of consumers worldwide has reached 4.2 billion, people with high income will be, for the first time, more than_______struggling to meet basic needs.
Not having promoted the new digital camera successfully, the company should its original marketing methods.
It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any __________.
It was really ________ of your brother not to play the guitar while you were preparing your lessons.
Modern science has given clear evidence ______ smoking can lead to many diseases.
The new couple couldn’t afford a new house. _______, they bought a second-hand one.