One day, Nick invited his friends to supper. He was cooking some delicious food in the kitchen. Suddenly, he ______ (find) that he has run out of salt.
Where men control the household, less money ______ (spend) on healthcare and food, which results in poorer health for children.
He ______ (pretend) that a tiger toy was real and giving it a voice.
As to the long-term effects of global warming some believe that the damage has been done, ___________________.
A. otherwise we take steps to make up now
B. now that we take steps to make up
C. whether we take steps to make up now or not
D. unless we take steps to make up now
A person who has slept well will have a clear mind and work efficiently in the daytime
______ people with sleep disorders find it difficult to concentrate during the day.
A. unless B. while
C. if D. until
---People often don’t appreciate what they have, do they? ---No, _______ they lose it.
A. if B. after
C. until D. when
