He is a new comer. There is no one _____, so let’s go and help him, shall we?
She made the demand that the journalists _____ at once ______ Iraq.
The teacher demanded that the exam _____ before eleven.
You promised your friend a letter; you ought to ______ days ago.
Tell me how you work out the answer, _______ you?
“ Need he go?” “ Yes, he ______.”