Some friends tried to settle the quarrel between Mr. and Mrs. Brown without hurting the feeling of , but failed .
| A．none | B．either | C．both | D．neither |
My brother is really. He often works in his office far into the night.
| A． | open-minded | B． | hard-working | C． | self-confident | D． | warm-hearted |
We'll have a picnic in the park this Sundayit rains or it's very cold.
| A． | since | B． | if | C． | unless | D． | until |
Remember that customers don’t＿＿about prices in that city．
| A．debate | B．consult | C．dispute | D．bargain |
John Dewey believed that education should be a preparation for life，that a person learns by doing，and that teaching must＿＿the curiosity and creativity of children．
| A．seek | B．stimulate | C．shape | D．secure |
The government is trying to go something to＿better understanding between the two countries．
| A．raise | B．promote | C．heighten | D．increase |