The traffic is heavy these days.I _____ arrive a bit late, so could you save me a place? [ ]

I advised that he _____ the book. [ ]

I am very sorry we made such a _____ decision, but there was really no time left for us.

Instructions for homework have to be ____ so that every student knows clearly what is to do after class.[ ]

Mary didn’t attend the lecture, did she? — Yes, she ______.