定从The reason ____ he gave us was that his car broke down on the way.
whyB. what C. how D. which
More and more people go jogging in the
morning,
_____benefits for health arise from the air rich in oxygen.
A.which
B. that C. whose D. who
______
isknown to as all is that the old scientist ______ life was hard in the past, still works very hard in his eighties.
A.as; whom B. what; whom C. what; whose D. as; whose
She’
llnever forget her stay there ______ she found her son who had gone missing two ye ...