He ought to win the first prize, _____ he?
A new teachnique ____the yields as a whole increased by about 30 percent.
No matter how frequently _____ ,the works of Shakespeare always attract large audiences.
The place _______ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.
How do you think I should receive the reporter?— _______ you feel about him, try to be polite.
All the students __ a loud laugh when the teacher told them the joke.