—How long do you suppose it is ____ he? —No more than half a week.
No matter how frequently _____ the works of Beethoven always attract a large number of people.
Under no circumstance _____ to tell lies to parents.
"_____ your meeting is!" he offered them his sincere congratulations.
From my point of view,the theory thatby the scientist is not quite scientific.
Tom’s mother often requires that hemore time in studying English every day.