41. The nurse doesn’t feel well today, ______ she still works very hard.
A. but B. and C. or D. when
34.I will wait ______ he come back, because I have something to tell him.
A. until B. before C. when
41. The nurse doesn’t feel well today, ______ she still works very hard.
A. but B. and C. or D. when
34.I will wait ______ he come back, because I have something to tell him.
A. until B. before C. when