"From Leap Years to Leap Seconds"

What change, if any, should be made in sentence 6? (9D)

• Change passing to pass

• Change help to helped

• Change keep to keeping

• No change should be made in sentence 6.

What changes should be made in sentence 10? Select two options. (9Div)

• Change greeks to Greeks

• Change Olympic Games to olympic games

• Change nile to Nile

• Change ancient to Ancient

• Change Egyptians to egyptians

What changes are needed in sentence 32? Select two options. (9Dv)

• Change the colon after sky to a comma

• Change dependent to dependant

• Change the semicolon after question to a comma

• Remove the quotation marks

• Change the colon after sky to a dash

Read these sentences from the third paragraph (sentences 14-15) of the text.

How else could you write these sentences correctly? Select two options. (9Di)

• Our calendar shows 365 days, however, this number is not precise.

• Our calendar shows 365 days; however, this number is not precise.

• Our calendar shows 365 days however this number is not precise.

• Our calendar shows, 365 days, however, this number is not precise.

• Our calendar shows 365 days, but this number is not precise

What change, if any, needs to be made in sentence 27? (9Dv)

• Change course to coarse

• Add a comma after sky

• Change which to that

• No change should be made in sentence 27.

What is the best correction for sentence 7? (9Di)

• The rising and setting of the sun; and the placement of the sun in the sky; helped them keep track of days and hours

• The rising and setting of the sun, and the placement of the sun, in the sky, helped them keep track of days and hours.

• The rising, and setting, of the sun and the placement of the sun in the sky, helped them keep track of days and hours.

• The rising and setting of the sun and the placement of the sun in the sky helped them keep track of days and hours.