_____ ourselves from stress, we need deep thought and inner quietness.
A. Free B. Freed
C. To free D. Freeing
The twins, who _____ their homework, were allowed to play badminton in the yard.
A. will finish B. finish
C. have finished D. had finished
With all your energies ______ the study of French, you will master the language.
A. concentrated B. concentrating
C. concentrated on D. concentrating on
The day we were looking forward to ____ finally, when we won the first prize.
A. came B. coming
C. come D. had come
It is _____ problem that none of us can work it out.
A. so difficult B. such difficult a
C. such difficult D. so difficult a
--- It is said that free health system will soon be carried out in our city.
--- ________!
A. Oh dear B. It couldn’t be worse
C. That couldn’t be better D. It can’t be good
