今天做大全 做到几个题目都是这样的 就是选项中加了情态动词了 因为在CD上看到过加了情态动词就改变了句子的意思 一般都为错...但是答案都选了那几个情态动词 所以恳请牛牛来解释下 219 Congress is debating a bill requiring certain employers provide workers with unpaid leave so as to care for sick or newborn children. (A) provide workers with unpaid leave so as to (B) to provide workers with unpaid leave so as to (C) provide workers with unpaid leave in order that they (D) to provide workers with unpaid leave so that they can(D) (E) provide workers with unpaid leave and 285. Even though the state has spent ten years and seven million dollars planning a reservoir along the Ubi River, the project will have to be abandoned as a result of the river becoming so heavily polluted. (A) will have to be abandoned as a result of the river becoming so heavily polluted (B) is to be abandoned on account of the heavy pollution which the river received (C) had to be abandoned because the river had received such heavy pollution (D) has to be abandoned because of the river and its heavy pollution(E) (E) must be abandoned because the river has become so heavily polluted |