4. Complete these short conversations using MUST+HAVE+V3 and CAN’T+HAVE+V3. 10 points.

– Is it true that Jack failed his exams? – He … (fail) the exams. He studied hard during the year.

– I’ve heard that Mary and Ann have quarrelled badly. – They … (quarrel). I’ve just seen them talking.

– I thought Jack and Fred were friends! Now look at them fighting! – They … (quarrel). Sometimes they just can’t agree.

– I’ve heard Tim has finished school. Do you know where he is now? – He … (enter) university. He was the top student in our school.

– Jack has dropped out of school, hasn’t he? – He … (drop) out of school. He’s got many friends in this school and he’s quite a good student.