— That must have been a long trip. — Yeah, it _____ us a whole week to get there.
Experiments of this kind ___in both the U.S and Europe well before the Second World War.
At the meeting, the old man ______ some good advice about bringing down the market price of housing.
It is nice to hear from a close friend. ______, we last met more than thirty years ago.
It is his horse , according to the old man , _______ saved him from the trap.
Do you have any difficulty ________?