Worksheets11A: TOEFL Structure Skills 9-12 (More Multiple Clauses)
Total questions: 10
Worksheet time: 5mins
Dolphins form extremely complicated allegiances and _____ continually change.
enmities that
that are enmeties
enmities that are
that enmities
Scientists are now beginning to conduct experiments on _______ trigger different sorts of health risks.
noise pollution can
that noise pollution
how noise pollution
how noise pollution can
The Apollo 11 astronauts ______ of the Earth's inhabitants witnessed on the famous first moonwalk on July 20, 1969, were Neil Armstrong and Buzz Aldrin.
whom
whom millions
were some
whom some were
At the end of the nineteenth century, Alfred Binet developed a test for measuring intelligence ______ served as the basis of modern IQ tests.
has
it has
and
which has
_____ have at least four hours of hazardous materials response training is mandated by federal law.
All police officers
All police officers must
That all police officers
For all police officers
A cloud's reservoir of negative charge extends upward from the altitude at _____ the freezing point.
temperatures hit
hit temperatures
which temperatures hit
which hit temperatures
In a 1988 advanced officers' training program, Sampson developed a plan to incorporate police in enforcing environmental protection laws whenever _____ feasible.
it is
is
has
it has
_____ will be carried in the next space shuttle payload has not yet been announced to the public.
It
What
When
That
During free fall, ______ up to a full minute, a skydiver will fall at a constant speed of 120 m.p.h.
it is
which is
has
is
The fact _____ the most important ratings period is about to begin has caused all three networks to shore up their schudules.
is that
of
that
what
