The telephone _______ three times in the last hour, and each time it ________ for my father.
As we all know, Jack is experienced _____ the problem of this kind.
I could have helped him out, to tell the truth, I _____ too busy.
Badminton is a _____ by an Englishman.
– How much do you _____ mending a pair of shoes? -- $ 15.
The swimming pool is 80 meters _____ and 40 meters _______.