How was their last weekend? —Great. They had a picnic in the park and enjoyed _______.

Do you think ________ necessary to take the second turning?

Thanks _____ your last letter.[ ]

I’m ______, mum. Can I have something to drink? —OK. Here’s some cola.

Heatdoesnottravelbyconnectioninsolid,becausethesoliddoesnotmove,________. [ ]