78. Have you tried that new shampoo they’ve been advertising(作广告)on TV?

77. The students had an argument(辩论)with their teacher about their uniforms.

76. She hasn’t been employed(雇佣)for six months till now.

75. The country’s present difficulties arise(发生)from the reduced value of its money.

74. There wasn’t enough evidence(证据)to prove his guilt.

73. We must find an application(应用)of this new discovery in our work.

72. “Flying Pigeon”used to be a very famous brand(牌子)bicycle.

71. The student was highly praised for his bravery(勇敢)at the meeting.