This is the most challenging project ___ in the company.

• to be completed

• complete

• to complete

• completing

The scientist was the first ___ the cure for the disease.

• discover

• that discover

• discovering

• to discover

The coach was the first ___ (congratulate) the team when the team won the competition.

Ryan was the first ___ (finish) the crossword puzzle in the class.

This is the most difficult decision ever ___ in the company’s history.

• make

• making

• made

• to make

The participants found the lecture ___ by the guest speaker quite inspiring.

• guide

• to guide

• guiding

• guided

The solution ___ by the team was presented to the board last week.

• that was proposed

• that is proposed

• that propses

• that proposed

The car ___ in the garage belongs to my uncle.

• that is repairing

• that is repaired

• that are repairing

• that are repaired

The man ___ at the airport just arrived from Japan.

• who is building

• who is flying

• who is moving

• who is landing

The most famous painting ever ___ (paint) by the artist is displayed in the museum.