i （） have left my glasses on the desk of school libery yeste

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/11 01:14:46

i （） have left my glasses on the desk of school libery yesterday afternoon.
a.seem to b.seemed to c.am certain d.was certain
正确选b,为什么?

因为有明确的表示过去的时间yesterday afternoon,所以用一般过去时,这样可以排除a,c
certain的用法是：
1、be certain that
2、 be certain to
如果d 的certain后加了to,那么它也是对；没加就不对,所以不能选.
这样就只有b是正确答案了.

i （） have left my glasses on the desk of school libery yeste the pair of glasses on the desk (be)mine a pair of broken glasses ——on the desk My school things are on the desk. ——Have you seen _____ eraser?I left it on the desk just now -I left my miniradio on the desk just now,but now it’s gone, I left my open on the desk and now it's gone；who ___it? I left my pen on the desk and now it’s gone; who _____ it? i have a book on the desk --- my glasses?---Yes.I them on your desk a minute ago.A.Had I have two glasses of water in my bag.划线提问“two glasses of” glasses问题have you seen my glasses?yes,i saw them on your bed