Panel painting, common in 13^th to 14^th century in Europe, ___ a      painstaking,laborious process.

• which involves

• involved

• to involve

• had involved

The more prey a three-foot octopus can eat, the ___  it crawl through a hole less than one inch in diameter.

• most difficult

• more difficult 

• the more difficult

• the most difficult

The collection of substances, called as mixture, ___ definite composition and set of properties.

• consist of

• has consisted of

• consists of

• have consisted of

The Congress of the United States ____ legislation and amandment or rejects presidential legislative proposals.

• initiates

• initiated

• can initiate

• initiate

____ are actually seeds containing moth larvae which causes the seeds to “jump.”

• Mexican bean jumpings

• Jumping bean Mexicans

• Mexican jumping beans

• Bean Mexican jumpings

Sports science is a discipline that  not only promotes health ____  during exercises.

• or yet also excels the healthy body

• but also excels the healthy body

• but also exceling the healthy

• nor excels the healthy body

The Protestant Reformation _____ at reforming the beliefs and practices of the Roman Catholic Church.

• initially aimed

• initially aims

• has initially aimed

• had aimed initially

The economic history of the United States ______ American settlements starting in the eighteenth century.

• began with

• has begun with

• which began with

• begins with

71% of Earth's surface ____with water, mostly by its oceans.

• have covered

• has covered

• are covered

• is covered

Last month,  I ____ cooking in Bleiberg’s cuisne school for three days in a week.

• have taken

• had taken

• took

• was taken