The children, ______ had played the whole day long, were worn out.
The _____ look on his face showed that he had enough confidence in himself.
She didn’t ______ work when she had the baby.
______ the students in our class is 50 and _______ them study very hard.
She searched all the places where she _____ have left her necklace but it was all in vain.
---- Why don’t you try to do exercise to lose weight? ---- I have tried everything but it has made no _____________.