English Olympiad-Structure

Water ____ of hydrogen and oxygen

• consist

• consists

• consisting

• consisted

The average person ____ 21,600 times a day.

• breathing

• breath

• breathes

• breathed

I ____ for two hours every night.

• study

• studying

• studies

• studied

The students ____ at their desks right now.

• sit

• sitting

• sits

• are sitting

I need an umbrella because it ____

• is raining

• rain

• rainy

• is rain

I ____ five courses this semester.

• take

• takes

• am taking

• taken

The world ____ round.

• is

• am

• are

• was

He always ____ a sandwich for lunch.

• eating

• eat

• ate

• eats

Ann ____ a car.

• has

• have

• is having

• had

I am having a hard time, but Olga ____ a good time.

• have

• has

• is having

• had