---Do you like ping-pong?---Yes. I am good at playing it. It’s _____________ for me.
–Have all the boys known that they ______ an English test this afternoon? --Yes. Every boy has been told about it.
He offered ______ valuable advice that ______ people disagreed.
His grandfather ______ for twelve years.
________ you've got a headache. You drank too much last night.
In those days, books could only be produced one at a time by hand. __________, they were expensive and rare.