1.Is learning/had been lerning
2.Are discussing/ have been discussing
3.Is working/is working/has been working
4. Is/has been
5.Teachs/has been teaching
6.Know/have known/have known
1.No, she didn't. The teacher didn't tell a story.
2.No, she didn't. Mum didn't make a cake.
3.No, he didn't. John didn't swim fast.
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1. It was too heavy.
2. It was too scary.
<span>3. It was too big.</span>
2.everything was all right
3.betty was in bed
4.mary was too young
5.you were in Canada.
2. a, o, x
3. a red ball, a green tea, a black kitten, a black eyes, a little girl, a little mouse, a big house, a big human