________ can be good at something for 40 years if he doesn’t love it. (2013·江西,23)
His health is ______improving. I'm sure he will come back to work soon.
—Did the naughty boy break the glass by chance?—No, ______.
They______ with each other for two years before they got married.
It has something to do with the part electricity ______ in our life.
After graduation he took all his works to London ______ get a good job there.