I listened to a report about the Diaoyu Island Dispute last weekend and that was the first time I about the subject.
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 ______.”