Question

Complete the sentences using
might /could, can't or must + have + past
participle.
1 Jo wasn't at school today. You___
him in the school library
this afternoon. (see)
2 I'm not sure why my sister was crying.
She-
something. (lose)
3 Layla asked for my phone number
again. She
it. (forget)
4 'Who rang the doorbell?' 'I'm waiting
for a parcel. It
postman.'
5 United were losing 7-0 after the first
half. They
the match!
(won)
(be) the
1​

Answer 1

1.must have seen

2.could have lost

3.could have forgot

4.must have been

5.might have won