Choose the best answer:
Careful Surveys have indicated that as many as 50 percent of patients do not take drugs ____ directed

Choose the best answer:
The famous physicist Albert Einstein ____ for a $1 to $5 donation before scribbling his name on a piece of parchment, and ____every cent to various charities

Choose the best answer:
A generation gap or generational gap, is a difference ____ opinions between one generation and another regarding beliefs, politics, or values

Choose the best answer:
His History teacher recommends that he ____ a project on World Heritage Sites

Choose the best answer:
Water pollution may result __________ the dead of marine life

Choose the best answer:
John does not need to come, ____?

Choose the best answer:
The disabled artist digitally inserted himself ____ the picture

Choose the best answer:
Had they arrived at the fair earlier, they _______ what they wanted

Choose the best answer:
 Your brother .............. tennis very well.

Choose the best answer:
When _____ about their preferences for movies, many young people say that they are in favour of science fiction

Choose the best answer:
On her trip to Wuhan (China) where the first coronavirus cases were detected 5 months ago, she saw a _______ painting at a local museum

Choose the best answer:
Obtaining ------- in CPR requires 120 hours of class time, in addition to a live demonstration in front of a teacher

Choose the best answer:
Tim  …………………4 movies when he had free time.

Choose the best answer:
After Lily fainted, we used smelling salts to get her to come _____________

Choose the best answer:
When experiencing technical difficulties, it is ------- to consult with a trained expert.

Choose the best answer:
In politics, it is necessary to offer a clear ------- for new legislation and policies in order to convince the public

Choose the best answer:
Hold that project ___________ until I'm able to get some questions answered by the boss

Choose the best answer:
It snowed so much that the event couldn't go ___________ as planned, unfortunately

Choose the best answer:
I don't understand this point of grammar. I wish I______it better

Choose the best answer:
They said “…………while the iron is hot”

Choose the best answer:
English is a language that _______ in all over the world