Tenses and Passive voice

Please don't make much noise

• I have worked

• I am trying to work

• I have to work

• I try to work

Jun-Sik _____ his teeth before breakfast every morning.

• will clean

• is cleaning

• cleans

• clean

Sorry, she can't pick the phone up. She _____ a bath.

• having

• has

• is having

• has had

At a school dance.

Jane: " ________ yourself?"

Mary: "Yes, I'm having a great time!"

• Do you enjoy

• You enjoy

• Have you enjoyed

• Are you enjoying

I tried to find you before school yesterday.

• Where were you?

• Where was you?

• Where did you?

• Where are you?

My math teacher wasn't happy yesterday. I ______ to bring my calculator to class

• have forgotten

• forget

• forgot

• was forgetting

Have you seen my pencil? It was here a minute ago but now _________, I can't find it :-(

• It have gone

• It's gone ( It has gone)

• It went

• It is going

Have you ever ridden a horse? - No, but I ______ a camel when I visited Egypt last year.

• was riding

• rode

• ride

• have ridden

The population in the world ______________ very fast.

• increases

• is increasing

• is decreasing

• decreases

We (2)____________ to open a new R & D unit in Poland next three months. Although bad troubles happen, we do not cancel our project.

• plan

• are planning

• planned

• are going to plan