90 It is said that a ship was wrecked onthe

Have you finished your homework yet?— Not yet. I ______ to do it just a few minutes ago. [ ]

The students were ___ over the ___ problem,listening to the teacher with a____ expression on their faces.[ ]

_______, I lost heart in English learning, but my teacher often said to me, “Keep on working hard andyou’ll succeed “.[ ]

She’s feeling ________ tired.