Why are people who cannot afford tipping the biggest tippers in front of their friends?

A) free of obligation B) free of charge C) plenty in time D) free from tax

A) Today supermarkets are found in almost every big city.

B) The first supermarket was opened only half a century ago.

C) The first supermarket was opened in New York.

D) A supermarket is different from other kinds of stores in two ways

A.both have the wisdom to choose a balanced diet

B.both prefer flavored food and drink

C.both have the same eating patterns

D.both develop a taste for the same kinds of flavors

A.adults know better than babies what kind of food is good for their health

B.adults usually cannot resist the temptation of various delicious foods

C.adults' eating habits are closely related to the social and cultural customs

D.adults have more choices of food than babies in eating patterns

A.a network of centers has been quite effective in reducing suicide

B.a network of centers has been quite successful in reducing suicide

C.people are making efforts to help those who tend to commit suicide and in a way, they are successful

D.in theUnited States, people who want to commit suicide call a network of centers to get help

A.Insanity

B.Pressure

C.The need for attention

D.Great anger

A. Shorter lunch hour.

B. Greater output.

C. Creature comforts.

D. Leisurely cafe talk.

A.artificially B.automatically C.manually D.synthetically

A.hang on B.draw on C.wait on D.count on

 A.were, were B.was, was C.were, was D.was, were