My brother is interested ___ business.
in
People ____ stay up late are called night owls.
who / that
____ the clock shows 10:00, the teacher begins the class.
when / as soon as / once
and
A house in Philadelphia is cheaper than ____ (Manhattan / a house in Manhattan / Manhattan's house).
a house in Manhattan
Many parents are not familiar ___ social media applications.
with
There is new research ____ explains how people actually remember their dreams.
that / which
Oliver has worked at AEI ____ he moved to Fresno in 2015.
since
We want to teach in the classroom, ____ the coronavirus forces us to teach online.
but
Golf requires flexibility, coordination, and ____ (concentrate / concentration / concentrating).
concentration
It is certain that there will always be a need ___ health care workers.
for
The Great Wall of China, ____ was built for defense, was not very effective for that purpose.
which
Scientists could not see the stars ____ they were hidden by the Milky Way.
because / since
Vegetable and animal protein helps the body to feel full longer, ____ protein could help people lose weight.
so
Many television viewers enjoy programs that are both entertaining and ____ (educate / educational / education).
In spite ___ the country's dry climate, most of the land is relatively green.
of
People ____ allergies are worse in the spring could have hay fever.
for whom / whose
Los Angeles is not the capital of California ____ many people think, but it is the largest city in the state.
Abraham Lincoln did not enter the Civil War to end slavery, ____ soon realized the importance of ending slavery.
but he
Artificial sweeteners like sucralose neither raise blood sugar levels nor ____ (cause / they cause / do cause) tooth decay.
cause
The new law will take effect next year, but many remain opposed ___ it.
to
Niagara Falls, ____ really three separate waterfalls, is in two different countries––Canada and the United States.
which is
The Hoover Dam was the tallest dam in the world for 33 years _____ a taller dam was built in Northern California.
until
He failed the test, ____ he did not study.
for
For a long time, educators have been asking if grades discourage students or ____ (do they motivate / they motivate / motivate) them to work harder.
motivate