THE CHILDREN SHOULD _____ ‘THANK YOU’ WHEN YOU GAVE THEM THEIR GIF...
31. The children should _____ ‘thank you’ when you gave them their gifts.
a. has said
b. to have said
c. have said
d. be said
31. The children should _____ ‘thank you’ when you gave them their gifts.
a. has said
b. to have said
c. have said
d. be said