My sister will throw a party on her birthday.

A) will throw

B) will

C) throw

D) party

Watson could have worked on that project today.

A) could have

B) worked

C) project

D) could have worked

Olivia and Adam have been chosen as finalists in the competition.

A) have been

B) have been chosen

C) chosen

D) in the competition

Hailey will leave for Canada on Saturday.

A) will

B) will leave

C) leave

D) Canada

I should have mopped the floor today.

A) should have mopped

B) should have

C) mopped

D) floor

Ian is helping his friend buy the house.

A) helping

B) friend

C) buy the house

D) is helping

The teacher was trying hard to control the class.

A) was

B) trying

C) was trying

D) control the class

The painting has been refined over the years.

A) has been refined

B) has been

C) refined

D) over the years

Thomas has referred to the scientist’s ideas for his work.

A) referred

B) has referred

C) scientist’s ideas

D) for his work

Many people are attracted by his preachings.

A) attracted

B) Many people

C) are attracted

D) preachings