[TECH] TOEFL Class (SALSA) - Pres. Perfect (Alternate Xercise-2)

Brazil has win the World Cup for at least 5 times since it was first held.

• win

• has

• since

• held

When they has been frightened, dairy cows may refuse to give milk.

• has

• frightened

• may

• to give

Florida has opened the Disney World to the public for 1971.

• for

• has opened

• the

• to

The secret code to the gold reserve vaults have fallen to the wrong hands due to the security breach.

• have fallen

• the gold

• due to

• b

The post officer has not send the letters successfully to their respective receivers.

• send

• has

• successfully

• their

Martha, a mother of two, has not meet her first children for more than 15 years.

• meet

• of two

• has

• for

Some scientists have spend months trying to improve the quality of the vaccine.

• spend

• scientists

• trying

• the vaccine

The flag ceremony has not begin due to the a rather bad weather condition.

• begin

• has

• due to

• bad

Some surveys has shown different electability percentages among the three candidates of president.

• has shown

• surveys

• among

• c

Tides in the ocean make it difficult for some fishermen who have not caught any fish for morning.

• for

• the ocean

• have not caught

• make