96: Identify the errors in the following sentence:When I got to the cinema, the film had already started; I ought to get there earlier. ( ) A: got to B: had already started C: ought to get D: earlier ...

91: Identify the errors in the following sentence:No sooner had he stepped on the train when it started pulling out. ( ) A: had B: on C: when D: started pulling ...

81: The manager insisted that the work ______ before Christmas. ( ) A: could be finished B: be finished C: would be finished D: might be finished ...

60: Identify the errors in the following sentence:Disappointing at the result of the experiment, he decided not to have another try. ( ) A: Disappointing B: at C: decided D: not to have ...

55: Are you keeping ______ with me, or am I reading too fast? ( ) A: on B: off C: up D: at ...

35: Identify the errors in the following sentence:I never dream of there to be a chance for me to be sent abroad. ( ) A: dream of B: to be C: for me D: abroad ...

98: 向量组线性相关的充分必要条件是每一向量都可由其余向量线性表示。 A: 对 B: 错 ...

92: 若一个n阶方阵A的秩小于n,则此矩阵的行列式必等于零。 A: 对 B: 错 ...

87: 如果两个同维向量组可以互相线性表示,则它们所含向量的个数相等。 A: 对 B: 错 ...

76: 若矩阵AB不可逆,则矩阵A、B也都不可逆。 A: 对 B: 错 ...