He has ______ lung cancer for several years and is never _______ pain.
The weather turned out to be fine yesterday. I_____ the trouble to carry my umbrella with me.
I was about to leave the office ______ an unexpected visitor came. A. whileB. asC whenD. before
.It was a matter of ________ would take the position.
The tablecloth _____ 18 by 20 feet. A. is measuredB. measuresC. measureD measuring
People try to avoid public transportation delays by using their own cars, and this ____ creates further problems.