Only in this way ______ solve the problem.

t do you think of my speech Beingwatched by so many people, I always feel nervous.—— You ______ quite well, though.

Perhaps the day will come ____ people willbe able to breathe clean air in cities

Written in a hurry, ____________. How can it be satisfactory

ildren, ______ had played the whole day long,were worn out.