.He’s unlucky, and he’s always suffering _____ luck one after another.
Many people, some of ______ are not overweight at all, are always going on diets or taking weight-loss pills, _____ are often dangerous.
In my opinion, work provides us much ________ just salary and income; it also helps us realize our dreams and makes us feel confident.
The teacher set such difficult problems ______ nobody could work out _____ none of us passed the test.
The doctor insisted that the patient_______seriously ill and that an operation_______in no time.
It _____ every day so far this month. I can’t tell you if it _____ tomorrow.