—When did the computer crash?—This morning,while I ________ the reading materials downloaded from some websites.(2012·福建)
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 _______.
– These plants ______ lack of water. --- You should have watered them.