Fill in the gaps with can, can't, could or couldn't.
5. A:
you ride a bike?
1. A: Can I go to the Smart Home
exhibition?
B: No, 1
but my brother
B: Of course you
6. A: It
rain tomorrow.
2. A: you read at the age of 3?
B: No. 1
read or write
until I was 5.
B: Oh no! That means we
have a picnic!
Al
send this email.
B: Don't worry, I'll help you.
7. A: Why isn't Harvey in school today?
B: I'm not sure. He
be
unwell.
A
I use your computer, Sir?
B: I'm afraid you​