Sentences with Multiple Clauses Skills 9-12

Dolphins form extremely complicated allegiances and ................. continually change.

• a. enmities that

• b. that are enmities

• c. enmities that are

• d. that enmities

Scientists are now beginning to conduct experiments on .................... trigger different sorts of health risks.

• a. noise pollution can

• b. that noise pollution

• c. how noise pollution

• d. how noise pollution can

The Apollo ll astronauts, ...................... of the Earth's inhabitants witnessed on the famous first moonwalk on July 20, 1969, were Neil Armstrong and Buzz Aldrin.

• a. Whom

• b. whom millions

• c. were some

• d. whom some were

4. At the end of the nineteenth century, Alfred Binet developed a test for measuring intelligence ........................ served as the basis of modern IQ tests.

• a. has

• b. it has

• c. and

• d. which has

................ have at least four hours of hazardous materials response training is mandated by federal law.

• a. All police officers

• b. All police officers must

• c. That all police officers

• d. For all police officers

A cloud’s reservoir of negative charge extends upward from the altitude at ...................... the freezing point.

• a. temperatures hit

• b. hit temperatures

• c. which temperatures hit

• d. which hit temperatures

In a 1988 advanced officers' training program, Sampson developed a plan to incorporate police in enforcing environmental protection laws whenever ................... feasible.

• a. it is

• b. is

• c. has

• d. it has

............. will be carried in the neat space shuttle payload has not yet been announced to the public.

• a. It

• b. What

• c. When

• d. That

During free fall, .............. up to a full minute, a skydiver will fall at a constant speed of 120 m.p.h.

• a. it is

• b. which is

• c. being

• d. is

10. The fact ............. the most important ratings period is about to begin has caused all the networks to shore up their schedules.

• a. is that

• b. of

• c. that

• d. what