杭州交通信息网大杜若羽:几道单选！请教
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/27 23:28:24
1.All of the plants now raised on farms have been developed from plans_______wild.
A. that once grew B.once they grew C. they grew once D. once grew
选 A
没看懂是啥意思
2.If only she _______at that time that the disease was curable.
A.knew B.knows C.has known D.had known
选D
是虚拟语气吗？
3.The students expected there________more reviewing classes before the final test.
A.is B.being C.have D.to be
选D
为什么用不定式
A. that once grew B.once they grew C. they grew once D. once grew
选 A
没看懂是啥意思
2.If only she _______at that time that the disease was curable.
A.knew B.knows C.has known D.had known
选D
是虚拟语气吗？
3.The students expected there________more reviewing classes before the final test.
A.is B.being C.have D.to be
选D
为什么用不定式
第一题。。。你少打了个t吧。。。
1.All of the plants now raised on farms have been developed from plans（应该是plants吧）_______wild
那就是一个定语从句了，只能选a啊
第二题是虚拟语气，因为后面出现了was，所以前面虚拟要用过去完成时
第三题。。。考的是there be的句型，there be的句型，虽然后面的是主语，但形式上的主语应该是there
因为有expect sb/sth to do 的句型所以用to be