90. The little boy ______(假装) to be reading his textbook when the teacher came in.

89. You can buy the shirt at a lower price if you make a __________ (讨价还价) with the owner.

88. When he ________ (示意) to the waiter for the bill, he found that his wallet was left at home.

87. China is a country ______________(属于)to the developing ones.

86. It is said that a famous film star will give a good p______________ to us tonight.

85. He has worked there for ten years so he is f_______________ with the city.

84. To play computer games a______________ our study.

83. The company is a_______________ for a secretary in the local newspaper.

82. He has to e____________ some extra money for his study since his family is poor.

81. I gave him some advice and he r_________ to it with a smile.