The old lady’s hand shook frequently. She explained to her doctor ________ this shaking had begun half a year before, and ________, only because of this, she had been forced to give up her job. 
#73998
A
when; how
B
how; when
C
how; how
D
why; why
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Regulations require__________needs special diets         the cooking manager in advance.
#73952
A
who; informs
B
whom; informed
C
whomever; inform
D
whoever; inform
We’ll go for a walk if it ___  __ tomorrow.
#41262
A
will not rain
B
doesn’t rain
C
isn’t raining
D
isn’t rain