twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
We didn’t know you were in trouble at that time; _______ we would have given you a hand.
How happy you are to _______ good health and a lovely daughter!
______ I went to London, I was strongly impressed with the beautiful buildings.
What ______ me most was not what he told me but why he looked at me in _______ all the time.
It is because of a long ________ from school that I am a bit behind the other classmates.