Paul____be in the school now, for I saw him looking after his father In the hospital just nowA can not B must not C need not D may not
— The food in the restaurant is horrible. If only we ______ to the students’ canteen. — But the food isn’t everything. Isn’t it nice just to get away from all the noise?
Because of the nuclear crisis caused by the earthquake in Japan, many people lined up to buy salt ______ seeking protection from radiation.
Many college graduates are willing to start online shops to get over the period ______ they have difficulty finding a satisfactory job.
Failure to face up to painful experience can be ______ form of stress itself, and can increase ______ possibility of illness.
One can’t be really happy if _________he enjoys doing is regarded by society as of no importance.