Drinking coffee caused me __________ awake all night.
A. staying                B. to stay             C. stayed                      D. stay
I felt like __________ when I bought this expensive calculator.
A. taking in               B. being taken in             C. to take in                  D. taken in 
 I was encouraged __________ in sporting events.
A. to participate              B. participating             C. participated                D. participate 
 

Why don’t you try __________ your family again?
A. calling                     B. call                  C. to be called                D. to calling