III.Preposition

71. Why were you absent ________ class this morning?

72. In English lessons we always speak _____________ English.

73. When I bought the house, my sister helped me _______ with a loan.

74. Your father is very kind __________David.

75. Your plan is similar _____________his.

76. She is accustomed _______________getting up early.

77. This area is rich______________ oil.

78. Are you acquainted ______________ this man?

79. It was very nice ___________ him to give me a lift.

80. Smoking is harmful____________ our health.

81. Mary always takes good care ________her children.

82. Our study is very important__________ our future and useful __________ our country.

83. Why don t you ask _________a pay increase?

84. Don t shout ________the child when he makes a mistake.

85. Ken prefers Chinese food ________French food.

86. How long have they been working _________the company?

87. He wore a hat, which made him look _________a spy.

88. I think your mother should let you make ________your own mind.

89. The pens made ____________ plastic are very cheap .

90. Many of the stories are based ________ rumor.