A survey of the opinions of experts ________ that three hours of outdoor exercise a week ________ good for one’s health. 

The police _____ searching for a tall dark man with a beard. Till now more than one person _____ suspected.

-I called you at 2:00pm yesterday, but there was no answer.-Oh, sorry! I __________ in the garden at that time.

All we need     a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.

Tom as well as his parents_______going to Japan next week.