Subjet Verb Agremment and Verb Forms

_____ several unsuccessful attempts, Robert Peary reached the North Pole on April 6, 1909.

• After

• He made

• When

• His

The musical instrument _____ is six feet long.

• is called the bass

• it is called the bass

• called the bass

• calls the bass

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

• when

• so

• is that

• in case

_____ of economic cycles been helpful in predicting turning points in cycles, they would have been used more consistently.

• Psychological theories

• Psychological theories have

• Had psychological theories

• Psychological have theories

More than half of the children in the 1,356-member district qualifies for reduced-price or free lunches.

• More than

• of the

• qualifies

• reduced-price

On the huge Ferris wheel constructed for a world exhibition in Chicago in 1893, each of the thirty-six cabs could held sixty people.

• huge

• constructed

• each of

• held

To overcome rejection of a skin graft, a system for matching donor and recipient tissues has be developed.

• To overcome

• matching

• recipient

• be

Nails are commonly make of steel but also can contain substances such as aluminum or brass.

• are

• make

• can

• contain

A patient suffering from amnesia may had partial or total loss of memory.

• suffering

• may

• had

• loss

The idea of using pure nicotine to help smokers stop was first tries in the mid-1980's with nicotine-laced chewing gum.

• using

• to help

• stop

• tries