Modal Verbs of Deduction / Speculation

Complete the sentence with the correct form of the verb in brackets.
You can't ___ (see) Joe in town at noon – he was at home with me.

Complete the second sentence using the word in capitals so that it has a similar meaning to the first. Do not change the word in capitals.
I don't know how they went London, but it's possible that they travelled by train. MAY They _____ to London by train.

Complete the sentence with an appropriate modal structure and the verb in brackets.
The traffic's really bad, I'm worried we ____ our train. (miss)

Complete the sentence with the correct form of the verb in brackets.
Wendy's accent is a bit strange. She could ___ (be) Northern Irish, but I'm not sure.

Complete the second sentence using the word in capitals so that it has a similar meaning to the first. Do not change the word in capitals.
I'm sure Jack lived in China as a child. MUST Jack _____ in China as a child.

They _____ have visited that museum. It's closed.

Complete the second sentence using the word in capitals so that it has a similar meaning to the first. Do not change the word in capitals.
I'm certain that animal is a jaguar – look how fast it can run! MUST That animal _____________a jaguar – look how fast it can run!

Complete the sentence with the correct form of the verb in brackets.
I might ___ (leave) my mobile at the hotel but I don't remember.

They _____ know this place. They've been here many times.