—Which tie would you prefer，the black tie or the red one，Madam?—I’ll take ________ to have a change sometimes.

There is only one English-Chinese dictionary in that book-shop. I wonder if you still want to buy _______.

Some friends tried to settle the quarrel between Mr.and Mrs.Smith without hurting the feeling of______,but failed.

________with better communication ability is more likely to succeed in his career　     

 People have the belief ______ factories should produce fewer things from raw materials, ______the supply is growing smaller and smaller.