Toefl Skill 11-13

Among bees _________ a highly elaborate form of communication.

• occur

• occurs

• it occurs

• they occur

_______ heated by solar energy have special collectors on the roofs to trap sunlight.

• A home is

• Homes are

• A home

• Homes

One problem with all languages _____ they are full of irregularities.

• when

• so

• in case

• is that

Each number on the binary system ________ from only two symbols.

• form

• is formed

• are formed

• forming

Scientists at the medical center _________ to determine if there is a relationship between saccharine and cancer.

• is trying

• are trying

• try

• trying

The president felt that no one _____ better suited for the position of chief staff advisor.

• are

• was

• were

• be

Half of the food that we were serving to the guests ____ still in the refrigerator.

• is

• are

• were

The tenants in the apartment next to mine is giving a party this evening.

• Correct

• Incorrect

All the witnesses in the jury trial, which lasted more than two weeks, have indicated that they believed that the defendant was guilty.

• Correct

• Incorrect

Anybody who goes to the top of the Empire State Building is impressed with the view.

• Correct

• Incorrect